CHEVROLET AVALANCHE Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Enginetech Full Gasket Sets C376K-1

Engine Gasket Set, Full Gasket Set, for 4.000 in./4.065 in. Cylinder Bore, Chevy, 6.0L, 6.2L, Kit

Part Number: EGN-C376K-1

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ACDelco GM Genuine Parts Rear Main Seals 12592195

Engine Crankshaft Seal, Engine Crankshaft Seal, Seal ASM-CR/SHF RR Oil, Each

Part Number: ADO-12592195

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco O-Rings 24100002

O-Ring, Universal, Each

Part Number: ADO-24100002

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco GM Genuine Parts Differential Drive Pinion Gear Seals 26064029

Pinion Seal, Steel with Rubber Inner, GM 8.5, GM 8.6, 10-Bolt, Each

Part Number: ADO-26064029

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco GM Genuine Parts Automatic Transmission Gasket Kits 19300335

Auto Trans Gasket Kit, Seals, O-rings, 4L60E, Kit

Part Number: ADO-19300335

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Timken Differential Pinion Seals 710506

Differential Pinion Seal, Rear Outer, Nitrile, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: TMK-710506

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco Transmission Rear Seals 24238076

Transmission Seal, Rear, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ADO-24238076

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5318-027

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: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Timken Wheel Seals 710648

Axle Shaft Seal, 2.415 in. Outside Diameter, 1.250 in. Inside Diameter, .551 in. Width, Buick, Cadillac, Chevrolet, GMC, Isuzu, 8.25" IFS Each

Part Number: TMK-710648

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco Transmission Rear Seals 08673526

Transmission Seal, Rear, Ethylene Acrylic, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-8673526

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5317-060

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

Part Number: CGT-C5317-060

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Mahle Original Valve Stem Seals SS45920

Valve Stem Seals, Positive Stop, Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Pontiac, Set of 8

Part Number: MAH-SS45920

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5751-098

Head Gasket, MLS, 4.060 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-098

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Cometic MLS Head Gaskets C5751-070

Head Gasket, MLS, 4.060 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-070

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLX Head Gaskets C5014-040

.040" MLX HEAD GASKET

Part Number: CGT-C5014-040

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Chevrolet Performance Power Steering Fitting O-Rings 26001594

O-Ring, Power Steering O-Ring Seal, Rubber, Each

Part Number: NAL-26001594

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5475-054

.054" MLS-5 HEAD GASKET

Part Number: CGT-C5475-054

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Chevrolet Performance Exhaust Manifold Donut Seals 15077362

Exhaust Manifold Seal, Steel, Ring, 3 in. Chevy, Each

Part Number: NAL-15077362

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5477-098

Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.098 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-098

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cometic MLS Head Gaskets C5319-040

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

Part Number: CGT-C5319-040

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Cometic Head Gaskets C15361-060

HEAD GASKET

Part Number: CGT-C15361-060

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today