Gaskets & Sealing Systems for 2026 Chevrolet Silverado 3500 HD
Related Parts
Part # / Description / Price
Price
Engine Block Valley Cover 
GM
GM Description: GM Genuine Parts Engine Block Valley Cover (Part Number: 12693081) is a valley cover (gasket) for the engine block valley area, supplied to meet OEM sealing requirements. Type: Engine Valley Cover GasketFunction: Seals the valley area of the engine block t ...
MSRP $4.80
$4.09
MSRP $4.80
$4.09
Camshaft Retainer GM
GM Description: GM Genuine Parts Camshaft Retainer (Part Number: 12589016) is a camshaft retainer seal used to retain and seal the camshaft at the front or rear of the engine. Type / Also known as: Camshaft Seal / RETAINER-CM/SHFFunction: Provides sealing to prevent oil l ...
MSRP $42.04
$27.99
MSRP $42.04
$27.99
Valve Cover Gasket GM
GM Description: GM Genuine Parts Valve Cover Gasket (Part Number: 12619787) is a valve cover sealing gasket designed to maintain a leak-free seal between the valve cover and cylinder head. Function: Seals the valve cover to prevent oil leaks and protect valvetrain compone ...
MSRP $8.86
$7.06
MSRP $8.86
$7.06
Oil Pan Port Seal GM
GM Description: GM Genuine Parts Oil Pan Port Seal (Part Number: 12621086) is a high-pressure port seal for oil pan applications, used in dry-sump and high-pressure oiling systems on select GM engines. Function: Seals high-pressure oil ports to prevent leaks in dry-sump o ...
MSRP $22.33
$16.54
MSRP $22.33
$16.54
Camshaft Position Actuator Magnet Gasket GM
GM Description: GM Genuine Parts Camshaft Position Actuator Magnet Gasket (Part Number: 12623437) is a GM Genuine Parts gasket used with the camshaft position actuator magnet cover to help seal the assembly and prevent oil leaks. Type: Engine Component PartsFunction: Seal ...
MSRP $17.11
$13.64
MSRP $17.11
$13.64
Engine Intake Manifold Gasket GM
GM Description: GM Genuine Parts Engine Intake Manifold Gasket (Part Number: 12626354) is an OEM intake manifold gasket engineered to seal the intake manifold-to-head junction to prevent vacuum leaks and ensure proper engine operation. Function: Creates an effective seal ...
$73.90
$73.90
Crankshaft Rear Oil Seal Housing Gasket GM
GM Description: GM Genuine Parts Crankshaft Rear Oil Seal Housing Gasket (Part Number: 12627520) is a genuine OEM gasket that seals the crankshaft rear oil seal housing to prevent oil leakage. Expanded term: Crankshaft (CR/SHF)Function: Provides a precise sealing surface ...
MSRP $12.45
$9.92
MSRP $12.45
$9.92
Front Crankshaft Engine Oil Seal GM
GM Positions: Front
Description: GM Genuine Parts Front Crankshaft Engine Oil Seal (Part Number: 12634614) is a front crankshaft seal engineered to retain engine oil and prevent leaks at the crankshaft opening. Category: Engine Component PartsFunction: Seals crankshaft openings to withsta ...
MSRP $24.04
$17.80
MSRP $24.04
$17.80
Crankshaft Rear Oil Seal GM
GM Positions: Rear
Description: GM Genuine Parts Crankshaft Rear Oil Seal (Part Number: 12665076) is an OEM rear crankshaft sealing component designed to resist heat and pressure and help prevent engine oil leaks. Expanded term: Crankshaft (CR/SHF)Function: Seals the rear end of the cran ...
MSRP $44.52
$29.66
MSRP $44.52
$29.66
Front Oil Pan Seal GM
GM Description: GM Genuine Parts Front Oil Pan Seal (Part Number: 12666993) is a front oil pan seal designed for specified GM engines without a dry-sump system to maintain a leak-free oil pan joint. Function: Provides a positive seal at the front oil pan location to preve ...
$34.07
$34.07
Cylinder Head Gasket GM
GM Description: GM Genuine Parts Cylinder Head Gasket (Part Number: 12688186) is a factory-specified cylinder head gasket for heavy-duty Silverado and Sierra applications. Function: Seals the cylinder head to the engine block to preserve combustion chamber integrity and s ...
MSRP $121.06
$75.55
MSRP $121.06
$75.55
Engine Oil Filler Cap O-Ring GM
GM Description: GM Genuine Parts Engine Oil Filler Cap O-Ring (Part Number: 24100002) is an O-ring seal designed for the engine oil filler cap to help prevent oil leaks and ingress of contaminants. Type: Oil filler cap O-ring/sealFunction: Provides pressure- and contamina ...
$19.62
$19.62
Multi-Purpose O-Ring GM
GM Description: GM Genuine Parts Multi-Purpose O-Ring (Part Number: 24504031)Type: Seal / O‑ringMaster description: SEAL-OIL LVL IND (O RING) — oil level indicator O‑ring sealFunction: Helps prevent leaks in engine components such as dipstick tube or oil-level indi ...
MSRP $0.67
$0.57
MSRP $0.67
$0.57