This part generally fits Chevrolet,GMC vehicles and includes models such as Sierra 2500 HD,Sierra 3500 HD,Silverado 2500 HD,Silver ado 3500 HD with the trims of Base Cab & Chassis 2-Door,Base Cab & Chassis 4-Door,Base Crew Cab Pickup 4-Door,Base Extende d Cab Pickup 4-Door,Base Standard Cab Pickup 2-Door,Denali Crew Cab Pickup 4-Door,High Country Crew Cab Pickup 4-Door,LT Cab & Chassis 2-Door,LT Cab & Chassis 4-Door,LT Crew Cab Pickup 4-Door,LT Extended Cab Pickup 4-Door,LT Standard Cab Pickup 2-Door, LTZ Cab & Chassis 4-Door,LTZ Crew Cab Pickup 4-Door,LTZ Extended Cab Pickup 4-Door,SLE Cab & Chassis 2-Door,SLE Cab & Chassis 4-Door,SLE Crew Cab Pickup 4-Door,SLE Extended Cab Pickup 4-Door,SLE Standard Cab Pickup 2-Door,SLT Cab & Chassis 4-Do or,SLT Crew Cab Pickup 4-Door,SLT Extended Cab Pickup 4-Door,WT Cab & Chassis 2-Door,WT Cab & Chassis 4-Door,WT Crew Cab P ickup 4-Door,WT Extended Cab Pickup 4-Door,WT Standard Cab Pickup 2-Door. The engine types may include 6.6L 6599CC 403Cu. In. V8 D IESEL OHV Turbocharged. This part fits vehicles made in the following years 2011,2012,2013,2014,2015,2016.