2012 GMC SIERRA-1500 Gaskets & Seals

Gasket, Oil Strainer, Chevrolet, 4.8L, 5.3L, 6.0L, 6.2L, Small Block, Gen III/IV, LS, Pair

Part Number: MEL-M29517

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Head Gasket, MLS, 4.060 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-027

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Rear Main Seal Cover Gasket, Rubber/Aluminum, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: ADO-12639249

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-036

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Oil Cooler Adapter Gasket, Cadillac, Chevy, GMC, Hummer, Chevy Small Block LS, Each

Part Number: NAL-15203889

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

Transmission Pan Gasket, Rubber with Steel Core, Chevy, THM700-R4/4L60/4L60E, Each

Part Number: MRG-51G05MRG

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Engine Gasket Set, Head Set, Head Gaskets, Exhaust Manifold Gaskets, Intake Gaskets, Chevrolet, GMC, Set

Part Number: MAH-HS54442D

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• Free Shipping

Valve Stem Seal, Nitrile Rubber, Buick, Cadillac, Chevrolet, Excalibur, GMC, Isuzu, Oldsmobile, Pontiac, Workhorse, Set of 16

Part Number: MAH-SS45796

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Pinion Adapter Sleeve, Steel with Rubber Inner, GM 8.6 in., GM 9.5 in., Each

Part Number: YGA-41150

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/24/2025

Gasket, Water Pump, LS1, Each

Part Number: FEL-35635

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

Transmission Seal, Rear, Rubber, Each

Part Number: ADO-9613S

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Gasket, Intake Manifold Gasket, Cadillac, Chevrolet, GMC, Hummer, Stock Replacement, Set

Part Number: ADO-19207929

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Valve Stem Seals, Brown, Exhaust, Chevy, Small Block, LS, Set of 8

Part Number: NAL-12482062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

.060" MLS-5 HEAD GASKET

Part Number: CGT-C5477-060

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• Free Shipping

Timing Cover Seal, Each

Part Number: TMK-9845

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-045

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Transfer Case Gasket Kit, GM Truck, New Process, Kit

Part Number: FEL-72770

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

Engine Gasket Sets, Head Gasket Set Type, Cadillac, Chevy, GMC, Hummer, Kit

Part Number: FEL-HS26192PT5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping

Timing Cover Seal, Crankshaft Front Seal, for use on Honda®, BMW, Buick, Cadillac, Chevy, Geo, GMC, Isuzu, Jeep, Olds, Opel, Pontiac, Saturn, Each

Part Number: ADO-8792S

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Exh. Repair Kit

Part Number: RNB-57175

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Exhaust Flange Gasket, Graphite Coated Metal Core, 3.060 in. O.D., Cadillac, Chevy, GMC, Each

Part Number: WLK-31554

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

Valve Stem Seals, Black, Intake, Chevy, Small Block, LS, Set of 8

Part Number: NAL-12482063

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

Transmission Pan Gasket, Cork/Neoprene, GM 700R4, Each

Part Number: MRG-8695

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/24/2025

Automatic Transmission Torque Converter Seal, Rubber, Buick, Pontiac, Each

Part Number: ADO-24202535

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks