Gaskets & Sealing Systems for 2025 Chevrolet Express 4500
Related Parts
Part # / Description / Price
Price
Engine Block Valley Cover 
GM
GM Description: The GM Genuine Engine Block Valley Cover (MPN: 12693081) is an authentic OEM engine component engineered to seal and protect the valley area of your GM engine block. This factory-original part meets General Motors' strict manufacturing and quality standard ...
MSRP $4.80
$3.25
MSRP $4.80
$3.25
Camshaft Retainer GM
GM Description: The GM Camshaft Retainer (MPN: 12589016) is a genuine OEM component engineered to secure and stabilize the camshaft assembly in select GM vehicles. This critical engine part maintains proper camshaft positioning and timing accuracy, ensuring optimal engine ...
MSRP $42.04
$27.28
MSRP $42.04
$27.28
Engine Oil Pan Drain Plug Seal GM
GM Description: Genuine GM OEM Engine Oil Pan Drain Plug Seal (MPN: 12616850) is engineered to prevent oil leaks and maintain proper engine lubrication on select GM vehicles. This original equipment manufacturer part ensures a secure, leak-free seal at the oil pan drain p ...
MSRP $8.24
$5.63
MSRP $8.24
$5.63
Valve Cover Gasket GM
GM Description: The GM OEM Valve Cover Gasket (MPN: 12619787) is a genuine factory replacement seal engineered to prevent oil leaks and maintain proper engine bay integrity on select GM vehicles. This authentic General Motors part delivers reliable performance for drivers ...
MSRP $8.86
$6.02
MSRP $8.86
$6.02
Oil Pan Port Seal GM
GM Description: Genuine GM OEM Oil Pan Port Seal (MPN: 12621086) engineered for high-pressure dry sump systems in premium GM trucks and sports cars. This factory-original seal maintains critical engine oil circulation in Silverado and Sierra 2500 HD/3500 HD models, plus C ...
MSRP $22.33
$15.17
MSRP $22.33
$15.17
Camshaft Position Actuator Magnet Gasket GM
GM Description: This Genuine GM OEM Camshaft Position Actuator Magnet Gasket (MPN: 12623437) is engineered to seal and protect the camshaft position actuator cover on select GM vehicles equipped with 4.3L, 5.3L, 6.2L, and 6.6L gas engines. This critical sealing component ...
MSRP $17.11
$11.62
MSRP $17.11
$11.62
Engine Intake Manifold Gasket GM
GM Description: # Product Description
Upgrade your engine's sealing performance with the Genuine GM OEM Engine Intake Manifold Gasket (MPN: 12626354), engineered and manufactured by General Motors to factory specifications. This critical engine gasket prevents coolant an ...
MSRP $3.95
$2.68
MSRP $3.95
$2.68
Crankshaft Rear Oil Seal Housing Gasket GM
GM Description: The Genuine GM OEM Crankshaft Rear Oil Seal Housing Gasket (MPN: 12627520) is an essential engine sealing component designed to prevent oil leaks at the rear of the crankshaft. This authentic General Motors part ensures proper oil containment and engine pr ...
MSRP $12.45
$8.45
MSRP $12.45
$8.45
Front Crankshaft Engine Oil Seal GM
GM Positions: Front
Description: The GM Genuine Front Crankshaft Engine Oil Seal (MPN: 12634614) is an OEM replacement engineered to prevent oil leaks at the crankshaft openings on select GM vehicles. This authentic General Motors part delivers the reliable sealing performance your engine ...
MSRP $24.04
$16.33
MSRP $24.04
$16.33
Crankshaft Rear Oil Seal GM
GM Positions: Rear
Description: Genuine GM OEM Crankshaft Rear Oil Seal (MPN: 12665076) is engineered to prevent engine oil leaks by creating a secure seal at the crankshaft's rear end on select GM trucks and SUVs including Tahoe, Yukon, Escalade, Suburban, Silverado, Sierra, Express, an ...
MSRP $44.52
$28.91
MSRP $44.52
$28.91
Front Oil Pan Seal GM
GM Description: Genuine GM OEM Front Oil Pan Seal MPN 12666993 is engineered to prevent oil leaks at the front port of your engine block on select Silverado and Sierra HD models. This small, round seal is designed without dry sump system compatibility and meets General Mo ...
MSRP $10.22
$6.95
MSRP $10.22
$6.95
Cylinder Head Gasket GM
GM Description: GM Genuine OEM Cylinder Head Gasket (MPN: 12688186) is engineered to seal the critical connection between your engine block and cylinder head, preventing coolant and oil leaks in heavy-duty trucks. This authentic General Motors replacement part is specific ...
MSRP $121.06
$76.45
MSRP $121.06
$76.45
Valve Seals GM
GM Description: # Product Description
Genuine GM OEM Valve Seals (MPN: 12689006) are precision-engineered sealing components designed to prevent oil leakage and maintain proper compression in your vehicle's engine. These factory-original valve seals are essential for mai ...
MSRP $8.86
$6.02
MSRP $8.86
$6.02
Valve Seals GM
GM Description: # Product Description
Genuine GM OEM Valve Seals (MPN: 12689007) are precision-engineered engine components designed to prevent oil leakage and maintain proper combustion chamber sealing in select GM vehicles. These original equipment manufacturer seals a ...
MSRP $9.69
$6.58
MSRP $9.69
$6.58
Engine Oil Filler Cap O-Ring GM
GM Description: The GM OEM Engine Oil Filler Cap O-Ring (MPN: 24100002) is a genuine General Motors replacement seal designed to maintain a secure, leak-free fit on your vehicle's oil filler cap. This authentic GM part ensures proper engine oil containment and prevents co ...
MSRP $6.01
$3.60
MSRP $6.01
$3.60
Multi-Purpose O-Ring GM
GM Description: The GM OEM Multi-Purpose O-Ring (MPN: 24504031) is a genuine General Motors replacement gasket seal engineered to maintain leak-free operation across multiple vehicle systems and components. This authentic factory part delivers reliable sealing performance ...
MSRP $0.67
$0.45
MSRP $0.67
$0.45