2021 GMC Sierra 3500 HD Engine Components
Engine Components that fit your 2021 GMC Sierra 3500 HD. Shop King Engine Bearings, Granatelli Motor Sports, Victor Reinz and more. Every part is checked against your vehicle before it ships.
King Engine BearingsKing Engine Bearings GM 6.6L V8 Duramax Turbo Diesel L5P Late Main Bearing SetMPN kingMB5889SX$183.64In stock
Granatelli Motor SportsGranatelli 96-22 GM LS Tall Valve Cover w/Integral Angled Coil Mounts - Red Wrinkle (Pair)MPN gms640363$240.90In stock- Victor ReinzMAHLE Original Buick Allure 09-08 Camshaft Cover PlateMPN vicB32270$64.07In stock
WehrliWehrli 17-23 L5P Duramax OEM/VGT Turbocharger Gasket KitMPN wcfWCF100178$145.50In stock
Granatelli Motor SportsGranatelli 96-22 GM LS Standard Height Valve Cover w/Angled Coil Mount - Blk Wrinkle (Pair)MPN gms640367$240.90In stock
Fleece PerformanceFleece Performance 17-22 GM 2500/3500 Duramax Replacement Fuel Injector Connector w/Pigtail (8 Pack)MPN fpeFPE-HAR-L5P-INJ-PT-8P$299.99In stock
CamburgCamburg UCA Uniball Bolt & Spacer Kit (001.097.194)MPN cmbCAM-010096$152.00In stock
FluidamprFluidampr 19-22 GM/Chevy Duramax L8T Steel Externally Balanced DamperMPN fdr760151$501.13In stock- King Engine BearingsKing Engine Bearings GM 6.6L V8 Duramax Turbo Diesel L5P Late (OSOD) Main Bearing Set - Size +0.50mmMPN kingMB5889SX0.5$388.05In stock
AMP ResearchAMP Research 19-22 Dodge Ram 1500 Wire Harness KitMPN amp19-04561-97L$149.99In stock- CamburgCamburg 20-25 Chevy/GMC 2500/3500 HD 1.25 UCA Hardware & Uniball KitMPN cmbCAM-210089$350.00In stock
King Engine BearingsKing Engine Bearings GM Duramax L5P 6.6L V8 Connecting Rod Bearing SetMPN kingCR8065SX$259.94In stock
Fleece PerformanceFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side)MPN fpeFPE-61-10014-D$1199.00In stock
Granatelli Motor SportsGranatelli GM Gen 3/4 4.8L/5.3L/5.7L/6.0L/6.2L/7.0L Neoprene Valve Cover Gaskets (Pair)MPN gms640369$15.82In stock
Granatelli Motor SportsGranatelli GM Gen 3/4 / Chevy LS/LSA 4.8L/5.3L/5.7L/6.0L/6.2L/7.0L Valve Cover Gaskets & Seal KitMPN gms640371$24.09In stock
BD DieselBD Diesel 17-23 Chevy/GMC 2500HD-6500HD 6.6L L5P E-PAS Emergency Engine ShutdownMPN bdd1036764$698.95In stock
Granatelli Motor SportsGranatelli 96-22 GM LS Tall Valve Cover w/Integral Angled Coil Mounts - Polished (Pair)MPN gms640361$261.84In stock
Victor ReinzMAHLE Original Chevrolet Silverado 2500 Hd 14-11 Throttle Body GasketMPN vicG32595$10.90In stock- King Engine BearingsKing Engine Bearings GM 6.6L V8 Duramax Turbo Diesel L5P Late Main Bearing Set - Size +0.25mmMPN kingMB5889Sx0.25$183.64In stock
- King Engine BearingsKing Engine Bearings GM 6.6L V8 Duramax Diesel L5P Late Rod Bearings - Size +0.25mmMPN kingCR8065SX0.25$259.94In stock
CamburgCamburg 9/16-18 x 4in. 12pt UCA Bolt KitMPN cmbCAM-010080$25.00In stock
Yukon Gear & AxleYukon Gear 11-21 GM Silverado/Sierra 2500/3500 Power Steering Gear BoxMPN yukZSG7675$466.37In stock
Fleece PerformanceFleece Performance Universal Multiuse Sensor 6in PigtailMPN fpeFPE-HAR-MU-PT-5$19.99In stock- AMP ResearchAMP Research 20-23 Chevrolet Silverado 2500 HD PowerStep Wiring Harness Kit XtremeMPN amp19-04565-97L$199.99In stock