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Cometic C5689 Rear Main Seal Ford 351C 351M 351W V8 Viton 2-Piece

(Ford F-150 1977-83, Mustang 1969-73, F-250 1977-83, Bronco 1978-83, Thunderbird 1971-74, 1977-79, F-350 1977-83, Galaxie 500 1969-74 + 38 more models)

Part of: Cometic Rear Main Seal for Chevrolet Small Block

Other options in this family: Cometic C5681 Cometic C5683 Cometic C5682 Cometic C5385 Cometic C4770

Manufacturer

Picture for manufacturer Cometic

Part Number

C5689
8 reviews
Sale Price

$28.18

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Cometic C5689 is a high-performance Viton rear main seal designed for Ford 351 cubic inch V8 engines, including the 351 Cleveland (351C), 351 Modified (351M) 335 series, and 351 Windsor (351W) V8 applications. This 2-piece seal design provides superior sealing performance to prevent oil leaks at the crankshaft.

Key Features:

  • Viton fluoroelastomer construction for exceptional heat and oil resistance
  • 2-piece design for easier installation and proper sealing
  • Compatible with Ford 351C, 351M, and 351W V8 engines
  • Precision-manufactured to OEM specifications for reliable fit
  • Superior durability compared to standard rubber seals

Cometic Gasket is known for manufacturing premium sealing solutions using advanced materials and precision engineering. The Viton material used in this seal offers excellent resistance to high temperatures, engine oils, and harsh operating conditions, making it ideal for high-performance and rebuilt engine applications.

Products specifications

Fits

Ford F-150 1977-83, Mustang 1969-73, F-250 1977-83, Bronco 1978-83, Thunderbird 1971-74, 1977-79, F-350 1977-83, Galaxie 500 1969-74, F-100 1977-79, Fairlane 1969-70, Ranchero 1969-79, Torino 1969-76, Falcon 1969-70 + 33 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

easy to find what you are lokking for and fast shipping.

Good seller with good communication. Would buy from again.

This place was great. Great service they really helped mr out and were fast and extremely helpful.

Fast shipping! Great product! Muffler sounds amazing and will buy again!

My name is Doug Raber and I tell you the truth when I say autoplicity is a great site to shop for auto parts. The prices are low and the customer service is excellent.

Good transaction, no problems, fast ship, quality product. Thanks

I had a hard time locating all the correct oxygen sensors for my vehicle (requires 4).

Quick and easy.

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