2012 GMC SIERRA-1500 Gaskets & Seals

Head Gasket, MLS, 4.130 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-027

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-045

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Estimated Ship Date: Today

Head Gasket, MLS, 4.190 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-045

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 3.910 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5475-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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.034" MLS HEAD GASKET

Part Number: CGT-C5317-034

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Estimated Ship Date: Jan 5, 2026 if ordered today

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.051" MLS 1/2" STUDS HEAD GSKT

Part Number: CGT-C15508-051

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Gasket, Engine Valve Cover, Replacement, Chevrolet, GMC, Oldsmobile, Truck, Van, Each

Part Number: ADO-10201397

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Cylinder Head Gasket , .049" MLS HEAD GASKET , GM LS1 SB 4.000" BORE

Part Number: CGT-C5477-049

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Estimated Ship Date: Jan 5, 2026 if ordered today

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EGR Gasket, Steel Core Laminate, for use on Acura®, AM General, Buick, Cadillac, Chevy, GMC, for use on Honda®, Isuzu, Oldsmobile, Pontiac, Each

Part Number: FEL-70789

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Pinion Seal

Part Number: MGR-8610

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Gasket, Exhaust Pipe Flange, Graphite, AM General, Cadillac, Chevy, GMC, Hummer, Workhorse, Each

Part Number: FEL-61559

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

GMC-TRK: 294(4.8L) Vin C 2007-2009, Vin A 2010-2013 GM-TRK (5.3L) Vin 4 20

Part Number: MAH-HS54442C

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Head Gasket, MLS, 4.100 in. Bore, .140 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-140

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Estimated Ship Date: Jan 5, 2026 if ordered today

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O-Ring

Part Number: FEL-35633

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Estimated Ship Date: Today

GM TRK 4.3L VIN X VORTEC 2008-2009

Part Number: MAH-HS5744G

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-060

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Fuel Pump Tank Seal

Part Number: DFP-FA10029

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Estimated Ship Date: Nov 24, 2025 if ordered today

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GASKET KI

Part Number: NAL-89060413

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Automatic Transmission Pump Gasket, OE Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, THM700/4L60/MD8, Each

Part Number: ADO-8642581

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Estimated Ship Date: Today

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Pinion Seal

Part Number: MGR-26064029

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Multi Purpose Seal, Air Conditioning Seal

Part Number: ADO-13579648

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Exhaust Gasket, Manifold, Steel, Chevrolet, 4.3L, V6, Pair

Part Number: MAH-MS12407

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.054" MLS-5 HEAD GASKET

Part Number: CGT-C5475-054

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Valve Stem Seals, Positive Stop, Chevrolet, GMC, 4.3L, V6, Set of 12

Part Number: FEL-SS728611

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Estimated Ship Date: Today