2012 GMC SIERRA-1500 Engine Gaskets & Seals

Timing Cover Seal, Each

Part Number: TMK-100470

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Valve Stem Seals, Rubber, GM, Saab, Set of 16

Part Number: FEL-SS71039

4.37 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Coolant Crossover Mount Gasket Set, Chevy LS

Part Number: FEL-ES73027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Timing Cover Seal, Each

Part Number: TMK-9845

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Oil Cooler Block Off Plate Gasket, GM, LS, Each

Part Number: NAL-12611384

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Valve Seal, 0.344 in. Stem Diameter, Each

Part Number: NAL-12564852

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Head Gasket, Steel Core Laminate, Chevy, Isuzu, GMC, Oldsmobile, Pontiac, 4.3L, V6, Each

Part Number: FEL-9354PT1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Valve Stem Seal, Metal with Molded Rubber, Hat Style, GM. LS Engine, Set of 8

Part Number: MAH-SS45921

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Stem Seals, Positive Stop, Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Pontiac, Set of 8

Part Number: MAH-SS45920

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Axle Shaft Seal, 2.415 in. Outside Diameter, 1.250 in. Inside Diameter, .551 in. Width, Buick, Cadillac, Chevrolet, GMC, Isuzu, Each

Part Number: TMK-710648

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Cover Gaskets, Neoprene, Chevy, LS, Pair

Part Number: GRN-640369

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Drop Ship
• Special Order

Timing Cover Seals, ACDelco Crankshaft Front Seals, Multiple Applications, Each

Part Number: ADO-5200

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Rear Main Seal, 1-Piece, PTFE, Each

Part Number: TMK-100085

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow