GMC Sierra 1500 Engine Block Parts
This page brings together engine block parts for the GMC Sierra 1500, covering model years 1999–2026. The range includes piston ring sets, individual piston rings, connecting rod bearing sets, piston sets, and pistons in both OE-replacement and performance configurations. Pick your GMC Sierra 1500's year above to narrow the list to engine block parts with confirmed fitment. Every part shown is checked against our vehicle data.
Dorman 092-018 EZ Drain Oil Plug M12 x 1.75 Thread 21mm Hex Head with Gasket
Mishimoto MMOFC-LT1-13HSL Billet Aluminum Oil Filler Cap with Bottle Opener for GM LT1/2.0T EcoTec
Melling M29500 Oil Pump Pickup Tube Support Bracket for GM LS Engines
Sealed Power E937K25MM Plasma-Moly Piston Ring Set 3.780 in Bore 8-Cylinder .25MM Oversize
Proform Parts 141-256 Aluminum Valve Covers LSX Emblem Black Crinkle LS Engines
Representative Photo, actual item may vary
Milodon 85260 Timing Cover Bolts for Small and Big Block Chevy 1/4-20 x 1/2 Inch 10-Pack
Hastings 2M4978010 Piston Ring Set 3.789" Bore 8-Cylinder GM LS
Derale Performance 35605 LT Rear Oil Galley Bypass Plug for GM Gen V Engines
Melling M-555 Oil Pump for GM Gen V LT Engines with Variable Displacement Solenoid
BluePrint Engines PSLS4273CTF LS 427 Crate Engine with EFI Dressed Long Block
BluePrint Engines PSLS37630CTF ProSeries LS 376 CI 530 HP Base Dressed Crate Engine with EFI
BluePrint Engines PSLS37630CT 376 Cubic Inch LS Compatible Long Block Crate Engine
Representative Photo, actual item may vary
Melling MDKP1 Performance DOD Oil Gallery Block Off Plug Kit for Gen 5 LS/LT Engines
King Engine Bearings CR865SI030 Connecting Rod Bearing Set Chevrolet SBC 307CI 350CI Gen III/IV OD+.002"
Representative Photo, actual item may vary
Representative Photo, actual item may vary
Representative Photo, actual item may vary
Anchor 300006 Engine Mount Kit - 3-Piece Set with Transmission Mount
Representative Photo, actual item may vary
Dorman 090-948CD Oil Drain Plug Gasket M12-1.75 15mm Hex T45 Torx
What's here for your GMC Sierra 1500
- Engine Piston Ring Sets — multi-piece kits covering the full bore in various configurations
- Individual Engine Piston Rings — single rings for targeted replacement
- Engine Connecting Rod Bearing Sets — sets covering multiple rod positions
- Engine Piston Sets — matched piston groups for complete rebuilds
- Individual Engine Pistons — single-unit replacements in standard and performance variants
The widest selection of GMC Sierra 1500 engine block parts here comes from MAHLE, Dorman, King Engine Bearings, and Hastings, spanning everything from OE-style replacement pieces to polished and performance-oriented options. Other categories GMC Sierra 1500 owners shop for: GMC Sierra 1500 Shocks and Struts, GMC Sierra 1500 Springs and Suspension Parts and GMC Sierra 1500 Exterior Lights, or browse all GMC Sierra 1500 parts and accessories.