GMC Engine Gaskets & Seals

Head Gasket, GM OE, 4.330 in. Bore, 0.056 in. Compressed Thickness, Graphite/Steel, Chevy, GMC, Each

Part Number: ADO-12558163

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Head Gasket, GM OE, 4.330 in. Bore, 0.056 in. Compressed Thickness, Graphite/Steel, Chevy, GMC, Each

Part Number: ADO-12558164

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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GASKET-CYL HD

Part Number: ADO-12647575

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Head Gasket, GM OE, 3.530 in. Bore, 0.029 in. Compressed Thickness, Multi-Layer Steel, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12648979

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GASKET-CYL HD

Part Number: ADO-12647574

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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GASKET-CYL HD

Part Number: ADO-55598158

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Head Gasket, GM OE, 3.189 in. Bore, 0.049 in. Compressed Thickness, Multi-Layer Steel, Chevy, GMC, Each

Part Number: ADO-55598159

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Head Gasket, GM OE, 3.189 in. Bore, 0.057 in. Compressed Thickness, Multi-Layer Steel, Chevy, GMC, Each

Part Number: ADO-55598160

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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GASKET-CYL HD

Part Number: ADO-55599222

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GASKET-CYL HD

Part Number: ADO-55599223

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GASKET-CYL HD

Part Number: ADO-55599224

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Valve Cover Gasket, ACM Rubber, Duramax Diesel, Each

Part Number: ADO-12628569

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Rear Main Seal, 1-Piece, Each

Part Number: TMK-5273

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Intake Manifold Gasket, Chevrolet, Gm-Chevrolet

Part Number: AJU-13298000

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

GASKET KI

Part Number: NAL-12609360

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Intake Manifold Gaskets, GM Genuine Parts Intake Manifold Gaskets, Stock Port Style, Buick, GMC, Saturn, Sold as a Set

Part Number: ADO-12609360

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Clar;DetD;IHC:3-53,6V-53,6V53 ENGS(FR)

Part Number: MAH-HS12232X

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Gaskets, Short Block Base Set, Chevy, Big Block, Mark IV, Viton Rear Main Seal, Two-Piece, Set

Part Number: SCE-41303

Not Yet Reviewed

• Special Order

CUT ENGINE GASKETS, WATER PUMP GSKT CHEV SB BULK 100 PC

Part Number: SCE-11101B

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

Head Gasket, GM OE, 3.560 in. Bore, 0.071 in. Compressed Thickness, Multi-Layer Steel, Buick, Cadillac, Chevy, GMC, Saab, Each

Part Number: ADO-12634481

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Head Gasket, GM OE, 2.980 in. Bore, 0.040 in. Compressed Thickness, Buick, Chevy, GMC, Each

Part Number: ADO-12681524

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Head Gasket, GM OE, 3.760 in. Bore, 0.071 in. Compressed Thickness, Multi-Layer Steel, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Each

Part Number: ADO-12634479

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
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Intake Manifold Gaskets, GM Genuine Parts, Stock Port Style, Chevrolet, GMC, 2.8L Diesel, Each

Part Number: ADO-12637739

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
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Valve Cover Gasket, Silicone/Rubber, Chevy, Big Block, Each

Part Number: ADO-10126727

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
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Head Gasket, GM OE, 3.520 in. Bore, 0.027 in. Compressed Thickness, Multi-Layer Steel, Buick, Chevy, GMC, Each

Part Number: ADO-12611196

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order