GMC ACDelco Engine Gaskets & Seals

Oil Pan Gasket, One-piece, Silicone/Aluminum, Chevy, Small Block LS, Each

Part Number: ADO-12612350

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Timing Cover Seal, Chevy, Small Block LS, Each

Part Number: ADO-296-02

4.82 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Rear Main Seal Housing, LS Engine Crankshaft Rear Seal Housing, Aluminum, Includes Seal and Gasket, Will not fit LSX, Each

Part Number: ADO-12639250

4.43 out of 5 stars ( 7 )

Rear Main Seal Housing, Engine Crankshaft Seal Housing, Rear Main Seal, One-Piece, V8, V6, Each

Part Number: ADO-14088556

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Rear Main Seal Housing, OE Style, One-Piece, 2.88 in. Tall, Aluminum, with Gasket, Cadillac, Chevy, GMC, Each

Part Number: ADO-12705663

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Water Pump Gasket, GM Genuine Part, Rubber/Steel Core, Requires 2 Gaskets Per Engine, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-251-663

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cylinder Head Gasket Kits, Head Gaskets, Intake Gaskets, Exhaust Manifold Gaskets, Valve Cover Gaskets, Chevrolet, GMC, 5.3L Gen V, Kit

Part Number: ADO-12700996

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

Intake Manifold Gasket, Replacement Seal for One-port Opening, Rubber, Cadillac, Chevy, GMC, Each

Part Number: ADO-12626354

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Oil Pan Gaskets, GM Genuine Parts, One-piece, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12621086

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Intake Manifold Gaskets, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Pair

Part Number: ADO-89060413

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Valve Cover Gasket, ACM Rubber, Chevy, Small Block Gen V, Each

Part Number: ADO-12619787

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Timing Cover Seal, Steel, Plastic, Stock Replacement, Cadillac, Chevrolet, GMC, Truck, Each

Part Number: ADO-12634614

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Rear Main Seal Cover Gasket, Rubber/Aluminum, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: ADO-12639249

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Water Pump Gasket, Rubber Coated Fiber, Cadillac, Chevy, GMC, Each

Part Number: ADO-251-2066

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

Rear Main Seals, GM Genuine Parts, Crankshaft Rear Oil Seal, One-piece, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12665076

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Gasket, Intake Manifold Gasket, Cadillac, Chevrolet, GMC, Hummer, Stock Replacement, Set

Part Number: ADO-19207929

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Gasket, Intake Manifold, TBI, Composite, Chevy, Pontiac, 5.0, 5.7L, Set

Part Number: ADO-10159409

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Transmission Seal, Rear, Rubber, Each

Part Number: ADO-9613S

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Throttle Body Gasket, Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-217-2424

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Head Gasket, GM OE, 4.370 in. Bore, 0.030 in. Compressed Thickness, Graphite/Steel, Chevy, GMC, Each

Part Number: ADO-12554769

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Engine Valve Stem Oil Seal, Intake, GM Genuine Part, Umbrella Style, Rubber, Black, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-10212810

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Head Gaskets, ACDelco GM Genuine Parts Cylinder Head Gaskets, Multi-Layer Steel, 0.050 in. Compressed Thickness, Chevrolet, GMC, Each

Part Number: ADO-12688186

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Gasket, Rear Main Seal Cover, One-piece, Paper, Chevy, Each

Part Number: ADO-12555771

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Gasket, Water Outlet, Composite, Chevy, 5.7L, Each

Part Number: ADO-10105135

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Seal, Rear Main, One Piece, Rubber, Stock Replacement, Cadillac, Chevrolet, GMC, Car, Truck, Each

Part Number: ADO-12627520

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air