Gaskets & Sealing Systems for 2023 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
2017-2024 GM - Crankshaft Pulley 
GM
GM Notes: PARTS: Part has related component that cannot be reused/reinstalled; bolt.
Description: 6.6L diesel, upper components. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Provides power to the engine accessory drive system for proper engine performance
MSRP $51.16
$33.53
MSRP $51.16
$33.53
2
2020-2024 GM - M10x1.5x49.8 Hex Head Bolt with Washer GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: 6.6L diesel, upper components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.00
$5.20
MSRP $8.00
$5.20
3
2017-2024 GM - Vibration Damper GM
GM Notes: PARTS: Part has related component that cannot be reused/reinstalled; bolt.
Description: 6.6L diesel, upper components. 2017-19. Silverado, sierra.
MSRP $165.43
$104.66
MSRP $165.43
$104.66
4
2006-2025 GM - Engine Harmonic Balancer Bolt GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: 6.6L diesel, hexagon head. 2017-19. 6.6L diesel, upper components. 2015-16 6.6L diesel. Fastens vehicle's components together
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 $22.29
$15.88
MSRP $22.29
$15.88
5
2006-2025 GM - Crankshaft Balancer Washer GM
GM Description: 2017-19. 6.6L diesel, upper components. 2015-16 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $60.39
$39.58
MSRP $60.39
$39.58
6
2019-2024 GM - Engine Front Cover GM
GM Description: 6.6L diesel, upper components. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $149.47
$94.57
MSRP $149.47
$94.57
7
Acdelco™ Engine Crankshaft Seal GM
GM Description: All models. 6.6L diesel. Express, savana. 2017-19. Sierra, silverado. 2015-16.
7
Crankshaft Front Oil Seal GM
GM 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 $69.48
$45.54
MSRP $69.48
$45.54
8
2019-2023 GM - Valve Rocker Arm Cover GM
GM Positions: Right
Description: 6.6L diesel, upper components. 2017-19. Silverado, Sierra 2500 HD. Right. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $555.32
$344.70
MSRP $555.32
$344.70
8
Cover GM
GM Positions: Left
Description: 6.6L diesel, upper components. 2017-19. All. Left. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $561.73
$348.70
MSRP $561.73
$348.70
9
2017-2024 GM - Valve Cover Gasket GM
GM Positions: Left
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 $34.65
$24.69
MSRP $34.65
$24.69
10
Engine Crankcase Vent Valve GM
GM Description: 6.6L diesel, upper components. 2017-19. Oil Separator Assy.. Incl.Gasket.
MSRP $333.23
$206.84
MSRP $333.23
$206.84
11
2017-2024 GM - 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 $15.93
$10.19
MSRP $15.93
$10.19
11
Acdelco™ Engine Oil Filler Cap GM
GM Description: Incl.Gasket. Stamped SAE 15w40. 6.6L diesel, upper components. 2017-19.
12
1985-2025 GM - Engine Oil Filler Cap O-Ring GM
GM Notes: PARTS: Part included with filler cap.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $5.87
$3.84
MSRP $5.87
$3.84
13
2020-2024 GM - Oil Filler Tube GM
GM Description: 6.6L diesel, upper components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.60
$7.73
MSRP $10.60
$7.73
15
2020-2023 GM - Upper Intake Manifold GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Upper. Without separate sensors. Silverado, Sierra 3500 HD.
MSRP $221.99
$137.83
MSRP $221.99
$137.83
16
F (S)Manifold GM
GM Positions: Left
Description: Silverado, Sierra 2500 HD. Diesel. Left. Silverado, Sierra 3500 HD. 2017-19, lower. Silverado, sierra. 6.6l.
MSRP $125.19
$79.21
MSRP $125.19
$79.21
16
F (S)Manifold GM
GM Positions: Right
Description: Silverado, Sierra 2500 HD. Diesel. Right. Silverado, Sierra 3500 HD. 2017-19, lower. Silverado, sierra. 6.6l.
MSRP $126.43
$79.99
MSRP $126.43
$79.99
17
2017-2024 GM - 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 $11.61
$8.47
MSRP $11.61
$8.47
Related Parts
Part # / Description / Price
Price
2017-2024 GM - Flywheel Housing to Engine Seal GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.73
$5.73
MSRP $7.73
$5.73
2023-2024 GM - Cylinder Head Gasket GM
GM Description: Grade c. Silverado, sierra. Right.
MSRP $120.75
$76.40
MSRP $120.75
$76.40