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第三方数据CHAMPION : 9405

Spark Plug
CHAMPION : 9405

  • Iridium
  • Champion Iridium
  • Non-Removable Nut
  • Platinum
  • 1
  • J Gap
  • Hex
  • No
  • 12
  • 0.05"
  • 1.27 mm
  • 0.625"
  • 15.88 MM
  • 0.12"
  • 0.689"
  • 0.551"
  • 14 MM
  • Spark Plug
  • RS12WMPB4
  • Yes
  • Tapered
  • No

适用车型

ISUZU
ASCENDER
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
NPR
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SAAB
9-7X
5.3L V8
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
BUICK
LUCERNE
3.9L V6
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
TERRAZA
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
ALLURE
5.3L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
LACROSSE
5.3L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
RAINIER
5.3L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CADILLAC
ESCALADE
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8 ELECTRIC/GAS
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
Fits Escalade Base Model; OE-Recommended Gap: 0.040" or Escalade ESV; OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CTS
5.7L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CHEVROLET
CAVALIER
2.4L L4
2002
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.050"
12571164, 12591131, 12621258, RS12WMPB4
IMPALA
3.5L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
MALIBU
3.5L V6
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
MONTE CARLO
3.5L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
UPLANDER
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
EXPRESS 2500
4.8L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
EXPRESS 3500
4.8L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 1500
4.8L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8 ELECTRIC/GAS
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8 ELECTRIC/GAS
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 1500 CLASSIC
4.8L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8 ELECTRIC/GAS
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
TAHOE
4.8L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8 ELECTRIC/GAS
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
AVALANCHE
5.3L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
AVALANCHE 1500
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
COLORADO
5.3L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
EXPRESS 1500
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SSR
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SUBURBAN
5.3L V8
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SUBURBAN 1500
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
TRAILBLAZER
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CAMARO
5.7L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
7.0L V8
2014
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CORVETTE
5.7L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CAPRICE
6.0L V8
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
EXPRESS 4500
6.0L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
LCF
6.0L V8
2016
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 2500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 2500 CLASSIC
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 3500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SILVERADO 3500 CLASSIC
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SUBURBAN 2500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SUBURBAN 3500 HD
6.0L V8
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
TILTMASTER
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
Fits W3500 Tiltmaster; OE-Recommended Gap: 0.040" or W4500 Tiltmaster; OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SS
6.2L V8
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
HUMMER
H3
5.3L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
H3T
5.3L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
H2
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
PONTIAC
G6
3.5L V6
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
MONTANA
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
GRAND PRIX
5.3L V8
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
FIREBIRD
5.7L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
GTO
5.7L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
G8
6.0L V8
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
GMC
SAVANA 2500
4.8L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SAVANA 3500
4.8L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 1500
4.8L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8 ELECTRIC/GAS
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8 ELECTRIC/GAS
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 1500 CLASSIC
4.8L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8 ELECTRIC/GAS
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
TOPKICK
4.8L V8
2007
Iridium; Pre-Set Gap: 0.05"
C8500 Topkick; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
YUKON
4.8L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8 ELECTRIC/GAS
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
CANYON
5.3L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
ENVOY
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SAVANA 1500
5.3L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
YUKON XL 1500
5.3L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.2L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
FORWARD
6.0L V8
2003
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SAVANA 4500
6.0L V8
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2020
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 2500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 2500 CLASSIC
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 3500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2014
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2015
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2016
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2017
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2018
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2019
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SIERRA 3500 CLASSIC
6.0L V8
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
YUKON XL 2500
6.0L V8
2002
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2003
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2004
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2010
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2011
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2012
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2013
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
SATURN
AURA
3.5L V6
2007
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2008
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
VUE
3.5L V6
2008
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2009
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
RELAY
3.9L V6
2006
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2007
Iridium; Pre-Set Gap: 0.05"
OE Type; OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
WORKHORSE
FASTRACK FT1461
4.8L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
6.0L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
FASTRACK FT1601
4.8L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
FASTRACK FT1801
6.0L V8
2004
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4
2005
Iridium; Pre-Set Gap: 0.05"
OE-Recommended Gap: 0.040"
12571164, 12591131, 12621258, RS12WMPB4

参考号

厂商 号码
OE 1257116*
厂商 号码
OE 1259113*
厂商 号码
OE 1262125*

OE号码

品牌 号码
CHAMP RS12WMPB*
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