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Gaskets & Sealing Systems for 2026 GMC Sierra 2500 HD

Part # / Description / Price
Price
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 $7.92
$5.20
MSRP $7.92
$5.20
Gasket
GM GM
Description: Grade C. 1.24-1.36mm Thick.
MSRP $123.77
$77.61
MSRP $123.77
$77.61
Engine Oil Pan Drain Plug Seal
GM GM
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.24
$5.43
MSRP $8.24
$5.43
Engine Oil Level Sensor Seal
GM GM
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $17.92
$11.74
MSRP $17.92
$11.74
Front Oil Pan Seal
GM GM
Description: Small. 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 $8.34
$5.46
MSRP $8.34
$5.46
Head Gasket
GM GM
Description: Left. Right. Silverado, Sierra 3500 HD. Grade A. 1.14-1.26mm Thick.
MSRP $88.36
$55.40
MSRP $88.36
$55.40
Head Gasket
GM GM
Description: Right. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Grade B. 1.19-1.31mm Thick.
MSRP $104.38
$65.45
MSRP $104.38
$65.45
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