2012 GMC SIERRA-1500 Gaskets & Seals - In Stock Filter Options - Vendor In Stock Filter Options

ACDelco GM Genuine Parts Automatic Transmission Turbine Shaft Fluid Sealing Rings 08667035

Automatic Transmission Oil Rings, Turbine Shaft Seals, PTFE®, Chevrolet, THM700-R4, 4L60, MD8, 4L65E, 4L70E, Each

Part Number: ADO-8667035

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Motive Gear Differential Cover Gaskets 3993593

Differential Cover Gasket, Paper, GM 8.5/8.625 in., Each

Part Number: MGR-3993593

5.0 out of 5 stars ( 3 )

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Cometic MLX Head Gaskets C5014-040

Cometic MLX Head Gaskets C5014-040

.040" MLX HEAD GASKET

Part Number: CGT-C5014-040

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Fel-Pro Water Neck Gaskets 35710

Gasket, Composite, Water Outlet, Chevy, Small Block V8/V6/6.5L Diesel, Each

Part Number: FEL-35710

4.75 out of 5 stars ( 4 )

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Cometic MLS Head Gaskets C5317-036

Head Gasket, MLS, 4.130 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-036

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5477-098

.098" MLS-5 HEAD GASKET

Part Number: CGT-C5477-098

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ACDelco O-Rings 24100002

O-Ring, Universal, Each

Part Number: ADO-24100002

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Fel-Pro Water Neck Gaskets 35720

Water Neck Gasket, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-35720

5.0 out of 5 stars ( 1 )

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Cometic MLS Head Gaskets C5318-098

Head Gasket, MLS, 4.160 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-098

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Fel-Pro Exhaust Manifold Gaskets MS 95842

Exhaust Gasket, Manifold, Steel Core Laminate, Chevy, 4.3L, Set

Part Number: FEL-MS95842

5.0 out of 5 stars ( 1 )

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Cometic MLS Head Gaskets C5318-066

Head Gasket, MLS, 4.160 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-066

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ACDelco Crankshaft Front Seals 19340212

Timing Cover Seals, ACDelco Crankshaft Front Seals, Multi-Purpose Seal, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-4762N

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ACDelco Water Neck and Thermostat Housing Seals 12587397

Water Neck Gaskets and O-Rings, Water Neck and Thermostat Housing Seals, EPDM Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12587397

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ACDelco GM Genuine Parts Automatic Transmission Oil Pump Gaskets and Seals 19340190

Automatic Transmission Oil Pump Seal, Each

Part Number: ADO-3227

Not Yet Reviewed

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Cometic MLS Head Gaskets C5475-036

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 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5318-030

Head Gasket, MLS, 4.160 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-030

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Cometic MLS Head Gaskets C5318-036

Head Gasket, MLS, 4.160 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-036

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Cometic MLS Head Gaskets C5476-051

.051" MLS HEAD GASKET

Part Number: CGT-C5476-051

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Cometic Head Gaskets C15509-040

.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5318-027

Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-027

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Fel-Pro O-Rings 73193

Multi Purpose O-Ring, O-RING

Part Number: FEL-73193

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Cometic MLS Head Gaskets C5475-084

.084" MLS-5 HEAD GASKET

Part Number: CGT-C5475-084

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Fel-Pro Head Gasket Sets HS 26192 PT-4

Gaskets, Head Set, Chevy, 6.0L, 6.2L, Set

Part Number: FEL-HS26192PT4

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

AP Exhaust Flange Gaskets 8762

Exhaust Flange and Donut Gaskets, Fits 2.813 in. Exhaust Pipe Diameter, for use on Acura®, for Nissan, Chevy, Ford, GMC, Mercury, Olds, Pontiac, Each

Part Number: APH-8762

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Motive Gear Pinion Seals 8610

Differential Pinion Seal

Part Number: MGR-8610

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today