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Engine Works Rear Main Seals

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Engine Works offers rear main seals for a wide range of applications, including many Chevrolet, Ford, GM, and Mopar vehicles from the 1950s and up. The one- or two-piece gaskets are made from fluoroelastomer rubber or silicone for long-lasting, leak-free performance. Order the seal recommended for your ride.

Results 1 - 10 of 10

Rear Main Seal, 1-Piece, Fluoroelastomer, Chevy, Small Block LS, Each

Part Number: EW1-166346

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Viton®, Chevy, Small Block, 400, For Align Honed Blocks, Each

Part Number: EW1-116900V

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Silicone, Chevy, Small Block, Each

Part Number: EW1-116200

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Silicone, Chevy, Small Block, Set of 10

Part Number: EW1-116200-10

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Viton®, Chevy, Big Block, Set of 10

Part Number: EW1-176396V-10

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 1-Piece, Fluoroelastomer, Ford, Small Block, Each

Part Number: EW1-246302

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Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Silicone, Chevy, Big Block, Each

Part Number: EW1-176396

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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

Part Number: EW1-176396V

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Silicone, Chevy, Small Block, 400, For Align Honed Blocks, Each

Part Number: EW1-116900

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 2-Piece, Viton®i, Chevy, Small Block, Each

Part Number: EW1-116200V

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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