More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Gaskets & Seals

Automotive Gaskets & Seals

Automotive Gaskets & Seals

From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency....

From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency. We have the automotive gaskets and seals for your daily driver or dedicated race car in individual pieces that are perfect for general maintenance or full sets with every gasket and seal you need for a complete engine rebuild. Choose from factory-replacement materials like cork and rubber, or high-tech gaskets made from multi-layer steel, dead-soft aluminum, copper, and more—all designed to withstand extreme heat and pressure.

From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency. We have the automotive gaskets and seals for your daily driver or dedicated race car in individual pieces that are perfect for general maintenance or full sets with every gasket and seal you need for a complete engine rebuild. Choose from factory-replacement materials like cork and rubber, or high-tech gaskets made from multi-layer steel, dead-soft aluminum, copper, and more—all designed to withstand extreme heat and pressure.

Individual Parts

Results 1 - 25 of 138

BOTTOM END GSK KIT *NOTES, GM LS V8 4.8/5.3/5.7/6.0/6.2L

Part Number: CGT-PRO1036B

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 22, 2025 if ordered today

GM-Trk:379/381(6.2L)Diesel Eng.(92-93),395(6.5L)Diesel Eng.(92-96)Conversio

Part Number: MAH-CS3678A

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 8, 2025 if ordered today

Engine Gasket Sets, Original Engine Conversion, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, LS, Set

Part Number: MAH-CS5975A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Gaskets, Conversion Set, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: FEL-CS9284

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Engine Kit Gasket Set Chev-Trk:V8,379 Diesel(82-91)

Part Number: MAH-95-3131

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 8, 2025 if ordered today

Valve Stem Seals, Rubber, GM, Saab, Set of 16

Part Number: FEL-SS71039

4.37 out of 5 stars ( 19 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Valve Stem Seal, Metal with Molded Rubber, Hat Style, GM. LS Engine, Set of 8

Part Number: MAH-SS45921

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Valve Stem Seals, Rubber, O-Ring, 5/16 in. Valve Stem, Set of 16

Part Number: FEL-SS5112

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission Pan Gasket, Standard Replacement, Medium/Heavy Duty Truck using Allison Transmission, Each

Part Number: ATP-JG31

Not Yet Reviewed

...Loading

Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: FEL-TCS45993

4.92 out of 5 stars ( 71 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Valve Stem Seal A.C. Case/IH, Con., Frd., GMC, J.D., M.F., Wauk.

Part Number: MAH-SS45229

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 8, 2025 if ordered today

Gaskets, Head Set, AM General, Chevy, GMC, Hummer, 6.2, 6.5L, Diesel, Set

Part Number: FEL-HSU8726

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 28, 2025 if ordered today

USE MHG SS45812

Part Number: FEL-SS72711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 28, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 28, 2025 if ordered today

Gaskets, Conversion Set, AM General, Chevy, GMC, Hummer, 6.2, 6.5L, Diesel, Set

Part Number: FEL-CS87262

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 29, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 29, 2025 if ordered today

GASKET KIT,ENG SERV

Part Number: ADO-12532530

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 8, 2025 if ordered today

Engine Coolant Thermostat Seal

Part Number: SNN-MG90

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 18, 2025 if ordered today

Engine Crankshaft Seal, Acrylates, Ford, Lincoln, Mercury, Mazda, Each

Part Number: TMK-2692

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

SEAL, Crankshaft, Front, AM General, Chevy, GMC, Hummer, Each

Part Number: TMK-3945

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Oil Cooler Gaskets and Seals, Aluminum/Rubber, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: ADO-15251488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Timing Cover Seals, Crankshaft Front Seals, Alfa Romeo, AM General, Aston Martin, Buick, Cadillac, Checker, Chevy, Excalibur, GMC, Workhorse, Each

Part Number: ADO-9449

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Transmission Rear Seal, Steel with Rubber Insert, Chevy, GMC, Rolls Royce, Automatic, Each

Part Number: ATP-JO124

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Intake Manifold Gaskets, Composite, Chevrolet, 6.2L Diesel, 6.5L Diesel, Set

Part Number: MAH-MS15306

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.