My Auto Parts 180831 A/C Selector Switch 1. This part generally fits GMC vehicles and includes models such as Sierra 1500,Sierra 2500 HD,Sierra 3500 HD with the trims of Base Cab & Chassis 2-Door,Base Cab & Chassis 4-Door,Base Crew Cab Pickup 4-Door,Base Extended Cab Pickup 4-Door,Base Standard Cab Pickup 2-Door,SLE Crew Cab Pickup 4-Door,SLE Extended Cab Pickup 4-Door,SLE Standard Cab Pickup 2-Door,SLT Crew Cab Pickup 4-D oor,SLT Extended Cab Pickup 4-Door.
