Shop Genuine GMC Sierra 3500 6.6L Duramax V8 DIESEL M/T RWD SLT Extended Cab Pickup Fleetside Parts
Your GMC helps you get the job done. So when it needs help with maintenance or repairs, pay back the favor with the best parts available: Genuine GMC Sierra 3500 6.6L Duramax V8 DIESEL M/T RWD SLT Extended Cab Pickup Fleetside Parts. They’re only available from authorized dealers like Mangino Buick GMC in Ballston Spa, NY.