Shop Genuine 2020 GMC Sierra 2500 HD SLT Extended Cab Pickup Fleetside Parts | Engine

A GMC is one of the best trucks to ever hit the open road. Don’t compromise its best features with parts of unknown quality. Choose only Genuine 2020 GMC Sierra 2500 HD SLT Extended Cab Pickup Fleetside Engine replacement parts from authorized dealers like McElveen Buick GMC in Summerville, SC at your next maintenance interval or repair.