2012 GMC SIERRA-1500 Engine Gaskets & Seals

Rear Main Seal, 1-Piece, PTFE, Each

Part Number: TMK-100085

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Pan Gasket, One-piece, Silicone/Aluminum, Chevy, Small Block LS, Each

Part Number: ADO-12612350

5.0 out of 5 stars ( 3 )

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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

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Timing Cover Gaskets, Victo-Tech Rubber, Chevy, GMC, Small Block LS, Kit

Part Number: MAH-JV5158

5.0 out of 5 stars ( 2 )

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GM 4.3L Vin X 2007-2010

Part Number: MAH-CS5744E

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

Part Number: NAL-12594939

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Head Gasket, MLS, 4.060 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-066

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Cylinder Head Gasket , .120" MLS HEAD GASKET , GM LS1 SB 4.190" BORE

Part Number: CGT-C5319-120

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.056" MLS-5 HEAD GASKET

Part Number: CGT-C5475-056

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Head Gasket, MLS, 3.910 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5475-075

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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.086" MLS-5 HEAD GASKET

Part Number: CGT-C5475-086

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.092" MLS-5 HEAD GASKET

Part Number: CGT-C5475-092

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.098" MLS-5 HEAD GASKET

Part Number: CGT-C5475-098

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.027" MLS HEAD GASKET

Part Number: CGT-C5476-027

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.045" MLS HEAD GASKET

Part Number: CGT-C5476-045

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.086" MLS-5 HEAD GASKET

Part Number: CGT-C5477-086

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.092" MLS-5 HEAD GASKET

Part Number: CGT-C5477-092

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Head Gasket, MLS, 4.100 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-120

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Cylinder Head Gasket , .053" MLS-5 HEAD GASKET , GM LS1 SB 4.100" BORE

Part Number: CGT-C5489-053

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Cylinder Head Gasket , .054" MLS-5 HEAD GASKET , GM LS1 SB 3.970" BORE

Part Number: CGT-C5476-054

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.075" MLS-5 HEAD GASKET

Part Number: CGT-C5476-075

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Head Gasket, MLX, 4.040 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-060

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Head Gasket, MLS, 4.060 in. Bore, .073 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-073

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Estimated Ship Date: Jan 19, 2026 if ordered today

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.084" MLS-5 HEAD GASKET

Part Number: CGT-C5751-084

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Head Gasket, MLS, 4.060 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-086

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Estimated Ship Date: Jan 19, 2026 if ordered today

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