2012 GMC SIERRA-1500 Gaskets & Seals

.045" MLS HEAD GASKET

Part Number: CGT-C5476-045

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-040

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-060

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Estimated Ship Date: Nov 7, 2025 if ordered today

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.075" MLS-5 HEAD GASKET

Part Number: CGT-C5319-075

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Valley Pan Cover

Part Number: GRN-595001

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Estimated Ship Date: Oct 16, 2025 if ordered today

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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: Nov 7, 2025 if ordered today

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.040" MLS HEAD GASKET

Part Number: CGT-C15517-040

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Estimated Ship Date: Nov 7, 2025 if ordered today

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.051" MLS HEAD GASKET

Part Number: CGT-C15496-051

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-030

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Estimated Ship Date: Nov 7, 2025 if ordered today

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GASKET

Part Number: NAL-89017690

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Estimated Ship Date: Jan 19, 2026 if ordered today

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GASKET KI

Part Number: NAL-89017812

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Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: NAL-12594939

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Estimated Ship Date: Jan 19, 2026 if ordered today

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