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Cometic Rear Main Seals

3.38 out of 5 stars 16 Customer Reviews

Keep your oil from escaping with rear main seals from Cometic Gasket. If you have a wet spot on the rear of your oil pan, spots on your driveway, or garage floor, or worse, an oil-covered transmission, then you'd better get rear main seals from Cometic. They are made from heat-resistant, chemical-resistant Viton® material and are available in one and 2-piece seal styles. When you need superior gaskets for your high performance vehicle, Cometic has the gaskets and rear main seals to fit your application.

Showing In Stock Items. Show All 13 Items.

Results 1 - 10 of 10

Cometic Rear Main Seals C5682

Cometic Rear Main Seals C5682

Rear Main Seal, 2-piece Style, Viton®, Chevy, Big Block, Each

Part Number: CGT-C5682

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic Rear Main Seals C5689

Rear Main Seal, 2-piece Style, Viton®, Ford, Lincoln, Mercury, 5.8L, Each

Part Number: CGT-C5689

3.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic Rear Main Seals C5683

Engine Crankshaft Seal

Part Number: CGT-C5683

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic Rear Main Seals C5686

Rear Main Seal, 2-piece Style, Viton®, Chrysler, Dodge, Plymouth, Big Block, 426 Hemi, Each

Part Number: CGT-C5686

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic Rear Main Seals C5564

Rear Main Seal, 2-Piece, Viton®, Dodge, Jeep, 5.2, 5.9L, Each

Part Number: CGT-C5564

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air