2003 CHEVROLET SILVERADO 2500 HD Engine Gaskets & Seals

Cam Seals, Original, Steel/Rubber, Natural, Buick, Cadillac, Chevy, GMC, Pontiac, Small Block LS, Each

Part Number: MAH-B31822

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Stem Seals, Black, Intake, Chevy, Small Block, LS, Set of 8

Part Number: NAL-12482063

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-036

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Intake Gaskets, Rubber, Replacement Engine Block Valley Cover, Small Block Chevy LS, Each

Part Number: NAL-12558178

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.130 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-040

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gasket, Water Pump, LS1, Each

Part Number: FEL-35635

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Oil Pump Gasket, O-Ring, Rubber, Each

Part Number: FEL-72401

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Engine Valley Cover Gasket, Rubber/Aluminum, Chevy, Small Block, Gen III/IV, Each

Part Number: MRG-61020G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.066 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-066

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: NAL-12611384

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Cover Gasket, Molded Rubber Compound, Cadillac, Chevrolet, GMC, Pontiac, LS Engine, Each

Part Number: CGT-C5170

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Coolant Bypass Seals, Rubber/Steel, LS GEN III/IV, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 4

Part Number: RNB-56390

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Intake Manifold Gaskets, Replacement, Composite, Stock Port Style, Chevrolet, GMC, 8.1L, Set

Part Number: FEL-MS96057

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Drain Plug Gasket, AM General, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac. Saab, Saturn, Workhorse, Each

Part Number: FEL-70820

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-036

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Water Pump Gaskets, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Pair

Part Number: FEL-ES73010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, PermaTorque, 4.330 in. Bore, Chevy, GMC, 8.1L, Right Side Cylinder Head, Each

Part Number: FEL-26169PT

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.060 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-070

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Head Gasket Set

Part Number: FEL-HS26192PT

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Oil Cooler Gaskets, Gasket, Each

Part Number: FEL-72435

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-098

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Oil Pan Gasket Set

Part Number: FEL-OS30714R

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gaskets, Conversion Set, Chevy, GMC, 8.1L, Set

Part Number: FEL-CS26168

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Head Gasket, PermaTorque, 4.330 in. Gasket Bore, Chevy, GMC, 8.1L, Left Side Cylinder Head, Each

Part Number: FEL-26168PT

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Timing Cover Seals, Crankshaft Front Seals, Alfa Romeo, AM General, Aston Martin, Buick, Cadillac, Checker, Chevy, Excalibur, GMC, Workhorse, Each

Part Number: ADO-9449

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air