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Ford Performance Rear Main Seal (83-95 5.0L)

14 Reviews
Our Price


  • Item #50399
  • MPN# M-6701-B302

  • Market Price $15.39
  • You Save 9% ($1.40)
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  • Rear Main Seal
  • Stops Messy Leaks
  • Genuine Ford Racing Part
  • Made from Viton® Synthetic Rubber
  • Sold Individually
  • Fits 1983-1995 5.0L V8 Mustangs
No More Leaks. If you are rebuilding your 5.0 Mustangs engine don't cheap out when it comes to the seals, use a genuine Ford Racing Rear Main Seal for superior quality, no leaks, and peace of mind.

Superior Materials. Made from Viton® synthetic rubber this one piece rear main seal is a direct fit replacement designed specifically for your engine block.

Application. This Ford Racing Rear Main Seal Gasket is designed for use on the 1983 to 1995 Mustangs equipped with a 5.0L (302) V8 engine, including the 83-93 5.0 LX, 83-95 GT and 93-95 SVT Cobra models. Sold individually.

Fitment: 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

What's in the Box
  • (1) Rear Main Seal
Installation Info
Will it fit my Mustang?
  • Cobra - 94, 95
  • Foxbody - 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
  • GT - 94, 95

Most Helpful Reviews


awesome item

was leaking, so replaced the clutch and the seal at the same time. stopped the leak, fit was spot on. couldn't have been easier.

Helpful (2)

Rear Main Seal

Great deal. One of the best made rear main seal. Have used felpro and others.

Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 14 Reviews

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1 Questions / 1 Answers

Ask a Question

Will one of these seals work on my 2000 3.8L V6 with 5-speed manual transmission? Having a very hard time finding one anywhere.


  • The Ford Performance Rear Main Seal (83-95 5.0L) will not work with your 2000 V6. This seal will only work for the 83-95 5.0L mustangs.


    Good Answer (0) (0)

Question Resolved

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Customer Reviews (14) Write a Review

Overall Rating 4.7

out of 5 stars

  • 5/5

    March 29, 2013

    awesome item

    was leaking, so replaced the clutch and the seal at the same time. stopped the leak, fit was spot on. couldn't have been easier.


    Year: 1986 Submodel: GT Aston, PA

    Helpful (2) (0)

  • 5/5

    May 30, 2015

    Rear Main Seal

    Great deal. One of the best made rear main seal. Have used felpro and others.


    Year: 1988 Submodel: GT Coatesville, PA

    Helpful (1) (0)

  • 5/5

    August 26, 2014

    No problems

    Holds the oil inside the rear of the engine like a real main seal should do. I had to replace this on both my 94 GT and the 94 Cobra, both work normally.


    Year: 1994 Submodel: Cobra Windsor, CT, USA

    Helpful (1) (0)

  • 5/5

    July 19, 2014

    Rear Main Seal

    The seal was exactly what I expected. The seal was solid and firm unlike the ones sold at my local automotive store.


    Year: 1995 Submodel: GT

    Helpful (1) (0)

  • 5/5

    June 23, 2014

    Does what it is supposed to do

    Had a slight leak and what better time to replace it than when doing a clutch change


    Year: 1992 Submodel: Other Philly

    Helpful (1) (0)

  • 5/5

    February 21, 2014

    Solid product and great fit

    The product was good quality, fit perfectly, and sealed well.


    Year: 1995 Submodel: GT Enfield, CT, USA

    Helpful (1) (0)

  • 5/5

    August 26, 2013

    Ford Racing&American Muscle

    Great product and vendor!!! Both top of the line! I always have great experiences with both. Great customer service!!!


    Year: 1989 Submodel: GT Hendersonville, TN, USA

    Helpful (1) (0)

  • 5/5

    July 25, 2013

    Operates as described

    No real complaints. Same quality as the factory unit. Been in the car for a few months with no leaks.


    Year: 1995 Submodel: GT Mobile, AL,

    Helpful (1) (0)

  • 4/5

    July 07, 2013

    Good Product at a fair price

    I purchased this as part of a larger project to replace my clutch. My old seal was leaking, so I needed to replace it. This part fit really well, was easy to install, and solved the leaking problem.


    Year: 1992 Submodel: Other Kenosha, WI, USA

    Helpful (1) (0)

  • 4/5

    May 12, 2013

    Rear main seal

    I had a very slow dripping leak between the bell housing and block....when I did my clutch I found it was the rear main seal, easy install and can't go wrong with a ford product on a ford car.


    Year: 1995 Submodel: Cobra Stratford, CT, USA

    Helpful (1) (0)

  • 5/5

    September 09, 2016

    Rear main seal for 5.0

    It's built very well and have no more leaks I'd definitely recommend this product


    Year: 1995 Submodel: GT

    Helpful (0) (0)

  • 3/5

    July 19, 2016


    This main seal is what I needed in my mustang 87, it does the job.


    Year: 1987 Submodel: GT

    Helpful (0) (0)

  • 5/5

    February 26, 2016

    Perfect fit!

    This part was extremely easy to install on my 5.0 block. Pro tip- Use a flat head screwdriver at the 2-3 o'clock position on the outer diameter of the seal to pry it out. Slide the old ring off and save it. Use oil to lightly lube the new ring and slide it on as far as you can by hand. Put the old one over the top and use that to tap the new one in until it is full seated


    Year: 1990 Submodel: Other

    Helpful (0) (0)

  • 5/5

    July 02, 2013

    Ford racing rear main seal

    Fit great! Fixed my pesky oil leak, awesome price would for sure recommend this product to anyone!! Thanks american muscle!


    Year: 1993 Submodel: Other Windsor, ON, Canada

    Helpful (0) (0)

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