1982-95 Ford Mustang Ford Racing One Piece Rear Main Seal (351W Swap) - 5.8L by Ford Performance

Mustang Ford Racing One Piece Rear Main Seal (351W Swap) (82-95) 5.8L

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  • 1982-95 Mustang 5.8L One Piece Rear Main Seal, M-6701-B351
1982-95 Mustang 5.8L One Piece Rear Main Seal, M-6701-B351

Have a leaking rear main seal on your 5.8L/351W swap Mustang? Pick up this Ford Racing replacement!

Item #LRS-6701B
MPN# M-6701-B351

Everyday Low Price: $12.99

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  • Direct Replacement For Leaking Or Damaged Rear Main Seal
  • Perfect for 351W Swap Projects


  • Rubber Construction
  • 1 Piece Design
  • Fits 1982-2005 5.8L

What's in the Box

  • (1) Rear Main Seal

Made in the USA

Product Description

This Ford Racing M-6701-B351 is a stock style one-piece rear main seal for your 5.8L powered 1979-1995 Mustang. It is made from rubber and will be a direct replacement for your 351 swap if using a production 5.8L block manufactured from 1990-1996 or a FRPP 351W block manufactured after 1993. These are perfect for your Fox Body or SN-95 Mustang 351w swap project! Don't for get to pick up a new oil pan gasket to finish off the install the right way - Ford Racing 5.8L Oil Pan Gasket.

Ford Performance Racing Parts - NO WARRANTY - Click Here

Product Videos

How To: Mustang Rear Main Seal Replacement (1982-2004 3.8L, 5.0L)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Product Reviews

Vehicle Applications

Ford Mustang - 1979 (79) - 1980 (80) - 1981 (81) - 1982 (82) - 1983 (83) - 1984 (84) - 1985 (85) - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93) - 1994 (94) - 1995 (95)

About This Brand

Ford Performance
Ford Performance - Mustang Ford Racing Parts
Ford Performance Parts is the leader in performance parts and accessories for Mustang and Ford Lightning.

LMR.com is proud to offer Ford Racing Performance Parts for your project. Ford Racing is dedicated to manufacturing the highest quality products offered in the industry. Choose from suspension, exhaust, wheels, and other performance parts at LatemodelRestoration.com. If you want the best for your Mustang or SVT Ligtning, look no further than Ford Performance Parts!

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