GMC SIERRA 2500 HD Engine Gaskets & Seals

Head Gasket, MLS, 4.130 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-080

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-086

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .089 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-089

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-092

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Estimated Ship Date: Jan 29, 2026 if ordered today

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.051" MLS HEAD GASKET

Part Number: CGT-C15496-051

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Copper Head Gasket, .050C Copper Head Gasket, GM LS ENGINE 4.100-in. Bore

Part Number: CGT-C15408-050

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Valley Pan Cover

Part Number: GRN-595002

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Estimated Ship Date: Dec 29, 2025 if ordered today

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.060" MLS-5 HEAD GASKET

Part Number: CGT-C15524-060

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REAR MAIN SEAL

Part Number: CGT-C15044

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TIMING COVER SEAL

Part Number: CGT-C15045

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Head Gaskets, Multi-layer Steel, 4.173 in. Bore, 0.080 in. Compressed Thickness, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: MAH-54597

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Estimated Ship Date: Dec 29, 2025 if ordered today

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REAR SEAL

Part Number: NAL-94056175

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Valve Cover Gasket, Molded Rubber Compound, Chevy, GMC, 6.6L Diesel, Each

Part Number: NAL-97188896

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Oil Cooler Gaskets and Seals

Part Number: NAL-97192666

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Intake Manifold Gaskets

Part Number: NAL-97363570

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Estimated Ship Date: Mar 30, 2026 if ordered today

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EGR Gaskets

Part Number: NAL-97365201

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Timing Cover, 1-Piece, Aluminum, Chevy, Each

Part Number: NAL-12594939

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Estimated Ship Date: Mar 30, 2026 if ordered today

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EGR Valve Gasket, 20-17 Chevrolet Silverado 2500 HD, Silverado 3500 HD, 6.6L; 20-17 GMC Sierra 2500 HD, Sierra 3500 HD, 6.6L

Part Number: MAH-G33751

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CONVERSION GASKET SET

Part Number: FEL-CS262692

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-070

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-080

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .089 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-089

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-027

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-036

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Head Gasket, MLS, 4.190 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-080

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Estimated Ship Date: Jan 29, 2026 if ordered today

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