Fits Capless; Sedan/Quad Cab Short Wheelbase; Lt. Duty 2WD or Capless; Sedan/Quad Cab Short Wheelbase; Lt. Duty 4WD or Capless; Regular Cab; 8 Foot Bed; Lt. Duty 2WD or Capless; Regular Cab; 8 Foot Bed; Lt. Duty 4WD or Capless; Regular Cab; 6.5 Foot Bed; Lt. Duty 2WD or Capless; Regular Cab; 6.5 Foot Bed; Lt. Duty 4WD or Capless; Crew Cab; 6'4" Box; Lt. Duty 4WD or Capless; Crew Cab; 6'4" Box; Lt. Duty 2WD or Capless; Crew Cab; 5'7" Box; Lt. Duty 4WD or Capless; Crew Cab; 5'7" Box; Lt. Duty 2WD

Fits Cummins Engine.; Selective Catalytic Reduction (UREA) Cap Less; Mega Cab; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA) Cap Less; Regular Cab; 8 Foot Bed; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA) Cap Less; Crew Cab; 6'4" Box; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA) Cap Less; Crew Cab; 8' Box; Med. Duty 2WD

Fits Cummins Engine.; Selective Catalytic Reduction (UREA); Mega Cab; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA); Regular Cab; 8 Foot Bed; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA); Crew Cab; 6'4" Box; Med. Duty 2WD or Cummins Engine.; Selective Catalytic Reduction (UREA); Crew Cab; 8' Box; Med. Duty 2WD

Fits Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Mega Cab; HD 2WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Mega Cab; HD 4WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Regular Cab; 8 Foot Bed; HD 2WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Regular Cab; 8 Foot Bed; HD 4WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Crew Cab; 6'4" Box; HD 4WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Crew Cab; 6'4" Box; HD 2WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Crew Cab; 8' Box; HD 4WD or Cummins Engine.; Cap Less; Selective Catalytic Reduction (UREA); Crew Cab; 8' Box; HD 2WD

Fits Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Mega Cab; HD 2WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Mega Cab; HD 4WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Regular Cab; 8 Foot Bed; HD 2WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Regular Cab; 8 Foot Bed; HD 4WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Crew Cab; 6'4" Box; HD 2WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Crew Cab; 6'4" Box; HD 4WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Crew Cab; 8' Box; HD 2WD or Cummins Engine.; Shipping Cap; Selective Catalytic Reduction (UREA); Crew Cab; 8' Box; HD 4WD