Fits Right or Left; Mega Cab; Med. Duty 2WDor Right or Left; Mega Cab; Med. Duty 4WDor Right or Left; Regular Cab; 8 Foot Bed; Med. Duty 2WDor Right or Left; Regular Cab; 8 Foot Bed; Med. Duty 4WDor Right or Left; Crew Cab; 6'4" Box; Med. Duty 2WDor Right or Left; Crew Cab; 6'4" Box; Med. Duty 4WDor Right or Left; Crew Cab; 8' Box; Med. Duty 2WDor Right or Left; Crew Cab; 8' Box; Med. Duty 4WD
6.7L L6 DIESEL Turbocharged
2011
Fits Right or Left; Mega Cab; Med. Duty 2WDor Right or Left; Mega Cab; Med. Duty 4WDor Right or Left; Regular Cab; 8 Foot Bed; Med. Duty 2WDor Right or Left; Regular Cab; 8 Foot Bed; Med. Duty 4WDor Right or Left; Crew Cab; 6'4" Box; Med. Duty 2WDor Right or Left; Crew Cab; 6'4" Box; Med. Duty 4WDor Right or Left; Crew Cab; 8' Box; Med. Duty 2WDor Right or Left; Crew Cab; 8' Box; Med. Duty 4WD
3500
5.7L V8
2011
Fits Mega Cab; HD 2WDor Mega Cab; HD 4WDor Regular Cab; 8 Foot Bed; HD 4WDor Regular Cab; 8 Foot Bed; HD 2WDor Crew Cab; 6'4" Box; HD 2WDor Crew Cab; 6'4" Box; HD 4WDor Crew Cab; 8' Box; HD 2WDor Crew Cab; 8' Box; HD 4WD
6.7L L6 DIESEL Turbocharged
2011
Fits Mega Cab; HD 2WDor Mega Cab; HD 4WDor Regular Cab; 8 Foot Bed; HD 4WDor Regular Cab; 8 Foot Bed; HD 2WDor Crew Cab; 6'4" Box; HD 2WDor Crew Cab; 6'4" Box; HD 4WDor Crew Cab; 8' Box; HD 2WDor Crew Cab; 8' Box; HD 4WD