GMC Sierra Engine Block Parts
Engine block parts for the GMC Sierra span model years 1999 through 2026, covering everything from connecting rod bearing sets and crankshaft main bearings to pistons, piston rings, intake manifolds, and oil pumps. Select your year above and we'll show only the engine block parts that fit your GMC Sierra. Fitment is checked against our vehicle data for every part listed.
Derale Performance 35603 Billet Aluminum Rear Galley Plug Barbell for GM LS Engines
King Engine Bearings CR 865SI Connecting Rod Bearing Set SBC 307 350 Gen III/IV +.002" Oversize
What's here for your GMC Sierra
- Engine connecting rod bearing sets
- Engine crankshaft main bearing sets
- Engine pistons — including OE-replacement and performance options
- Engine intake manifolds — single and dual configurations, polished and black finishes
- Engine piston rings and piston ring sets
- Engine oil drain plugs
- Engine oil pumps
The widest selection here comes from King Engine Bearings, Dorman, Manley, and Speedmaster, offering a range that includes everything from direct-fit replacement components to performance-oriented kits and gasket sets. Other categories GMC Sierra owners shop for: GMC Sierra Exterior Lights, GMC Sierra Valve Train Parts and GMC Sierra Springs and Suspension Parts, or browse all GMC Sierra parts and accessories.