2003 CHEVROLET SILVERADO-2500-HD Gaskets & Seals

Throttle Body Gasket, Composite, Chevy, GMC, 7.4L, 8.1L, Each

Part Number: ADO-12570168

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

Exh. Manifold Gasket Set

Part Number: FEL-MS95840

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

• $50.00 Summit Bucks

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

Part Number: ADO-97188685

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Transmission Rear Seal, Steel with Rubber Insert, Chevy, GMC, Rolls Royce, Automatic, Each

Part Number: ATP-JO124

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

EXHAUST GASKET

Part Number: NAL-97192618

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Performance Diff Gasket (Gm 14 Bolt 10.5")

Part Number: SDH-RD51995

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.190 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-056

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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.034" MLS HEAD GASKET

Part Number: CGT-C5317-034

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Estimated Ship Date: Dec 11, 2025 if ordered today

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.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-051

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Estimated Ship Date: Dec 11, 2025 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: Dec 11, 2025 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

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Gasket, Water Neck, Rubber, O-Ring, Each

Part Number: FEL-35632

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

• $50.00 Summit Bucks

GASKET KI

Part Number: NAL-89060413

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: FEL-TCS45055

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

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• $50.00 Summit Bucks
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Rubber Drain Plug Gasket, Fits M12 (20Mm Od)

Part Number: RNB-097-119-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Exhaust Header and Manifold Gaskets

Part Number: NAL-12558275

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Exhaust Flange and Donut Gaskets, Fits 2.813 in. Exhaust Pipe Diameter, for use on Acura®, for Nissan, Chevy, Ford, GMC, Mercury, Olds, Pontiac, Each

Part Number: APH-8762

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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 10/20/2025

Head Gaskets, Multi-layer Steel, 4.137 in. Bore, 0.050 in. Compressed Thickness, Chevrolet, GMC, Hummer, 6.6L Diesel, Each

Part Number: MAH-54584

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Seal, Torque Converter, Acrylate, Cadillac, Chevy, Hummer, Each

Part Number: TMK-4598

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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

Part Number: ADO-97223686

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

USE MHG P32860

Part Number: FEL-RDS55478

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

• $50.00 Summit Bucks

Transmission Extension Housing Seal, Steel with Rubber Insert, Cadillac, Chevy, GMC, Isuzu, Automatic, Each

Part Number: ATP-CO36

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Engine Timing Cover Gasket Set, Engine Timing Cover Gasket Set

Part Number: MAH-JV5278

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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