2003 CHEVROLET SILVERADO 2500 HD Engine Gaskets & Seals

Head Gasket, MLX, 4.040 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-040

4.33 out of 5 stars ( 3 )

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

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Head Gasket, Multi-Layer Steel, 4.100 in. Bore, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: MAH-54445

5.0 out of 5 stars ( 3 )

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

Engine Gasket Sets, Original, Full, Cadillac, Chevy, GMC, 6.0L, Set

Part Number: MAH-95-3563

5.0 out of 5 stars ( 1 )

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

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Gasket, Valley Pan, Rubber With Steel Core, All Gen. 3 Chevy LS V8, 4.8L, 5.3L, 5.7L, 6.0L Set with knock sensor grommets, Each

Part Number: FEL-MS92465

4.67 out of 5 stars ( 21 )

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

Head Gasket, Multi-Layer Steel, MLS, 4.070 in. Bore, .051 in. Compressed Thickness, GM 6.2L LS3, L92, Each

Part Number: CGT-C15514-051

Not Yet Reviewed

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

Head Gasket, MLS, 4.100 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-070

5.0 out of 5 stars ( 2 )

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

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Head Gasket, MLS, 4.100 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-080

5.0 out of 5 stars ( 2 )

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

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Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.045 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-045

Not Yet Reviewed

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

Head Gasket, MLX, 4.150 in. Bore, .052 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5014-052

5.0 out of 5 stars ( 1 )

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

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Head Gasket, MLS, 4.100 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-060

Not Yet Reviewed

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

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Timing Cover Seal, Each

Part Number: TMK-100470

5.0 out of 5 stars ( 4 )

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

Rear Main Seal, 1-Piece, PTFE, Each

Part Number: TMK-100085

3.0 out of 5 stars ( 2 )

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

Intake Manifold Gaskets, Replacement, Stock Port Style, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Chevy Small Block LS, Set

Part Number: FEL-MS92211

5.0 out of 5 stars ( 7 )

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

Gasket, Valve Cover, Rubber, Chevy, 5.7L, Each

Part Number: NAL-12637683

5.0 out of 5 stars ( 2 )

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

Head Gasket, MLS, 4.060 in. Bore, .075 in. Compressed Thickness, Chevy, 5.7, 6.0, 6.2L, Each

Part Number: CGT-C5751-075

5.0 out of 5 stars ( 1 )

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

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Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.030 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-030

5.0 out of 5 stars ( 1 )

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

Gaskets, Intake Manifold, Chevy, Pair

Part Number: MAH-MS16340

5.0 out of 5 stars ( 13 )

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

Head Gasket, MLS, Multi-Layer Steel, 4.030 in. Bore, 0.051 in. Compressed Thickness, Cadillac, Chevrolet, Pontiac, Small Block LS, Each

Part Number: CGT-C15494-051

Not Yet Reviewed

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

Head Gaskets, 4.060 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5751-051

5.0 out of 5 stars ( 4 )

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

Head Gasket, MLS, 4.100 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-045

3.0 out of 5 stars ( 1 )

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

Gaskets, Head Set, Chevy, GMC, 8.1L, Set

Part Number: FEL-HS26168PT

5.0 out of 5 stars ( 3 )

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

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Head Gasket, MLS, 4.100 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-066

5.0 out of 5 stars ( 1 )

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

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Head Gasket, Multi-Layer Steel, Replacement, Grade C, GM, 6.6L Duramax, Passenger Side, Each

Part Number: NAL-12637788

5.0 out of 5 stars ( 4 )

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

Timing Cover Gasket, Replacement, Rubber/Steel Core, Chevrolet, Small Block LS, Each

Part Number: NAL-12735382

Not Yet Reviewed

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