Engine for 2026 GMC Sierra 3500 HD
Engine for 2026 GMC Sierra 3500 HD
Related Parts
Part # / Description / Price
Head Gasket 
GM
MSRP $88.36
GM Engine Cylinder Head Gasket
Left. Right. Silverado, Sierra 3500 HD. Grade A. 1.14-1.26mm Thick.
Head Gasket GM
MSRP $104.38
GM Engine Cylinder Head Gasket
Right. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Grade B. 1.19-1.31mm Thick.
Rear Crankshaft Oil Seal GM
MSRP $83.58
GM Engine Crankshaft Seal, Rear
All models. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Seals the openings on either end of the crankshaft for a tight seal Withstands heat and pressure to help prevent the engine from leaking oil This GM Genuine Part is designed ...