Cometic Rear Main Seals

3.24 out of 5 stars 17 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.

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Cometic Rear Main Seals for 1967-1971 CHEVELLE, 1974-1975 LAGUNA, 1976-1981 MALIBU - C5379

Cometic Rear Main Seals for 1967-1971 CHEVELLE, 1974-1975 LAGUNA, 1976-1981 MALIBU - C5379

Rear Main Seal, 1-Piece, Rubber, Avanti, Buick, Chevy, Checker, GMC, Oldsmobile, Pontiac, Each

Part Number: CGT-C5379

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cometic Rear Main Seals C5682

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

Part Number: CGT-C5682

Not Yet Reviewed

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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: Today

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Cometic Rear Main Seals C15560

Rear Main Seals, Single Split Seal, 1-Piece, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Each

Part Number: CGT-C15560

Not Yet Reviewed

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Cometic Rear Main Seals C5683

Engine Crankshaft Seal

Part Number: CGT-C5683

5.0 out of 5 stars ( 2 )

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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: Today

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Cometic Rear Main Seals C5384

Rear Main Seal, 1-Piece, Viton®, Ford, Each

Part Number: CGT-C5384

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5564

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

Part Number: CGT-C5564

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cometic Rear Main Seals C5172

Engine Crankshaft Seal

Part Number: CGT-C5172

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5385

Engine Crankshaft Seal

Part Number: CGT-C5385

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5680

Engine Crankshaft Seal

Part Number: CGT-C5680

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5142

Engine Crankshaft Seal

Part Number: CGT-C5142

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5106

Rear Main Seal, 1-Piece, Rubber, Avanti, Buick, Cadillac, Chevy, Excaliber, GMC, Oldsmobile, Pontiac, Each

Part Number: CGT-C5106

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5203

Rear Main Seal, One-piece, Rubber, Chrysler, Dodge, Ram, Set

Part Number: CGT-C5203

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C4705

REAR MAIN SEAL 2002+UP

Part Number: CGT-C4705

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals for 1988-1991 CIVIC, CRX - C4678

REAR MAIN SEAL

Part Number: CGT-C4678

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5208

Engine Crankshaft Seal

Part Number: CGT-C5208

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Cometic Rear Main Seals C5189

Engine Crankshaft Seal

Part Number: CGT-C5189

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

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