GMC SIERRA 2500 HD Engine Gaskets & Seals

Head Gasket, MLX, 4.040 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-066

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Engine Kit Gasket Set General Motors Truck 2004-2007 6.6L Duramax Diesel VIN 2, 6, and D

Part Number: MAH-95-3727

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Gasket, Exhaust Manifold Flange to Turbocharger, Chevrolet, GMC, Duramax, 6.6L, Each

Part Number: ADO-97188685

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Estimated Ship Date: Monday 12/8/2025

• $20 Summit Bucks

Valley Pan Cover

Part Number: GRN-595003

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Water Neck Gaskets and O-Rings, Water Neck and Thermostat Housing Seals, EPDM Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12587397

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Estimated Ship Date: Monday 12/8/2025

• $20 Summit Bucks

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5882-051

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Estimated Ship Date: Feb 2, 2026 if ordered today

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.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-027

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-036

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Engine Gasket Sets, Full Gasket Set Type, Head Gaskets, Intake Gaskets, Exhaust Manifold Gaskets, Oil Pan Gasket, Chevrolet, GMC, 8.1L, Kit

Part Number: FEL-260-3154

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Estimated Ship Date: Dec 29, 2025 if ordered today

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EGR Gasket, Steel Core Laminate, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-70947

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Estimated Ship Date: Monday 12/8/2025

Throttle Body Gasket, Thick-option Replacement, Paper, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: SCE-214

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

Water Neck Gaskets and O-Rings, Water Neck and Thermostat Housing Seals, Chevrolet, GMC, Each

Part Number: ADO-97223686

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Estimated Ship Date: Monday 12/8/2025

• $20 Summit Bucks

Water Pump Gasket, GM Genuine Part, Rubber, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-251-2073

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Estimated Ship Date: Monday 12/8/2025

• $20 Summit Bucks

Timing Cover Seal, Front Crankshaft Seal, Gasket, O-Rings, Chevrolet, GMC, 6.6L, Duramax, Kit

Part Number: FEL-TCS45055

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Head Gasket, MLS, 4.060 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-056

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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HEAD GASKET

Part Number: CGT-C5882-140

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Estimated Ship Date: Feb 2, 2026 if ordered today

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HEAD GASKET

Part Number: CGT-C5883-140

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Engine Gasket Set, Original Head Gasket Set, Chevy, GMC, 6.6L Duramax Diesel, Kit

Part Number: MAH-HS54580

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Estimated Ship Date: Jan 9, 2026 if ordered today

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EGR Valve Gasket, Stock Replacement, Chevrolet, GMC, Truck, Van, Each

Part Number: ADO-98062923

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Estimated Ship Date: Monday 12/8/2025

• $20 Summit Bucks

Gasket, Replacement EGR Cooler Bypass Gasket, Chevrolet, GMC, Each

Part Number: ADO-98065519

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Estimated Ship Date: Monday 12/8/2025

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General Motors Truck 6.6L Duramax Diesel 2001-2009 VIN 1, 2, 6, and D

Part Number: MAH-GS33678

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Valve Cover Gaskets, Neoprene, Chevy, LS, Pair

Part Number: GRN-640369

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Head Gasket, MLS, Marine, 4.350 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5762-040

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Rubber Drain Plug Gasket, Fits M12 (20Mm Od)

Part Number: RNB-097-119-1

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Estimated Ship Date: Monday 12/8/2025