Engine Parts for 2026 GMC Sierra 3500 HD
Related Parts
Part # / Description / Price
Price
Upper Intake Manifold Seal 
GM
GM Description: 2017-19, lower. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $12.09
$7.92
MSRP $12.09
$7.92
Engine Oil Cooler Adapter Gasket GM
GM Description: 6.6L diesel, lower components, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.42
$6.18
MSRP $9.42
$6.18
Dipstick Seal GM
GM Description: 2017-19. 6.6L diesel, lower components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $3.47
$2.28
MSRP $3.47
$2.28
Engine Oil Filler Cap GM
GM Description: 2017-19. 6.6L diesel, upper components. Helps seal and keep oil from leaking out of your vehicle's engine oil filler opening
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $16.33
$9.38
MSRP $16.33
$9.38
Valve Cover Gasket GM
GM Description: 2017-19. All. 6.6L diesel, upper components. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $35.51
$22.47
MSRP $35.51
$22.47
Engine Oil Cooler Adapter Gasket GM
GM Description: Adapter To Block. 6.6L diesel, engine side. 2017-19, engine side. 6.6L diesel, lower components, upper. 2015-16, engine side.
Manufactured to GM OE specification for fit, form, and function
MSRP $11.81
$7.74
MSRP $11.81
$7.74
Oil Cooler GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Assembly. 6.6L diesel, lower components, fm 11/30/2023.
MSRP $476.73
$314.64
MSRP $476.73
$314.64
Engine Oil Filler Cap O-Ring GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $6.01
$3.47
MSRP $6.01
$3.47
Multi-Purpose O-Ring GM
GM Description: Helps prevent leaks in various components of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $0.67
$0.44
MSRP $0.67
$0.44
Crankshaft Front Oil Seal GM
GM Positions: Front
Description: All models. Express, savana. 2017-19. 6.6L diesel, upper components. 2015-16. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps prevent leaks in various components of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $71.22
$45.05
MSRP $71.22
$45.05