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Ford Performance 8.8 in. Rear Axle Bearing & Seal Kit (05-14)

30 Reviews
Our Price


  • Item #50502
  • MPN# M-1225-B1

  • Market Price $47.99
  • You Save 17% ($8.00)
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  • Extra Insurance
  • Direct Fit Replacement
  • Genuine Ford Racing Part
  • Designed for Solid Rear Axles
  • Fits 2005-2014 GT, Bullitt, BOSS, GT500 and 2011-2014 V6
Extra Insurance. When installing a new set of axles or steeper rear gears in your Pony it is a good time to swap out those old worn Axle Bearings and Seals with a new set from AmericanMuscle. High-quality Ford Racing steel bearings are a direct fit replacement and insure against an axle failure.

Kit Includes. The Ford Racing 8.8" Rear Axle Bearing and Seal Kit contains two outer axle shaft bearings and two seals.

Legendary Ford Racing Quality. When you're adding performance parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Racing's legendary quality ensures a perfect fit and years of hassle-free use.

Application. This Ford Racing Rear Axle Bearing and Seal Kit is designed for use with 8.8in solid rear axle equipped Mustangs, including the 2005-2014 GT, Bullitt, BOSS, Shelby GT500 and the 2011-2014 V6 models.

Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

What's in the Box
  • (2) Outer Axle Shaft Bearings
  • (2) Seals
Installation Info
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 11, 12, 13, 14
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

Fits solid axle Mustangs equipped with a 8.8" rear end.

Most Helpful Reviews

Moser Axles

Easy to install. Great Fit. Very happy. The shipping was fast.

Helpful (1)

A must

No more knocking sound when breaking. These will be good for the long run. Would recommend these when upgrading your gears.

Helpful (1)

Overall Rating 4.9 out of 5 stars
Read All 30 Reviews

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1 Questions / 1 Answers

Ask a Question

dear sir i have mustang 2010 v6 i order before that Ford Racing M420988410 8.8" 3.73 Ring and Pinion and i went to buy this one it's fit on my car or not and what i get for this part


  • The Ford Performance 8.8 in. Rear Axle Bearing & Seal Kit will not fit on the 2010 Mustang V6. The 2005-2010 Mustang V6 Models were equipped with a 7.5" rear end not the 8.8. This part here is designed to work with the 8.8" rear end.


    Good Answer (0) (0)

Question Resolved

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Customer Reviews (30) Write a Review

Overall Rating 4.9

out of 5 stars

  • 5/5

    July 26, 2016

    A must

    No more knocking sound when breaking. These will be good for the long run. Would recommend these when upgrading your gears.


    Year: 2010 Submodel: GT

    Helpful (1) (0)

  • 5/5

    December 19, 2014

    Moser Axles

    Easy to install. Great Fit. Very happy. The shipping was fast.


    Year: 2011 Submodel: GT

    Helpful (1) (0)

  • 5/5

    June 10, 2013

    Stop The Noise - Ford Racing Bearing Kit

    This FORD Racing Bearing Kit (M1225-B1) has the parts you need to quiet down those old / tired axle bearings. kit includes bearings and seals. My 2007 Mustang GT has 157K and I've changed the differential fluid every 40K with Mobil 1 75W140 Synthetic gear oil and Ford Friction Modifier (XL-3), but they still wore out. Use care when installing the seals to prevent damage. Thanks again American Muscle for the fast delivery!


    Year: 2007 Submodel: GT Milltown, NJ

    Helpful (2) (0)

  • 5/5

    September 20, 2015

    Noisy rear end !

    Having some growling coming from the rear end of my 2014 Mustang GT yanked out the old bearings ( and I mean yank, they were stuck in there) Got the Ford Racing Bearing and seal kit from American Muscle. Shipped super fast (as usual) and installation was a dream compared to taking them out. Cruising in silence !!


    Year: 2014 Submodel: GT Southwest Florida

    Helpful (1) (0)

  • 5/5

    August 31, 2015

    Quality bearings and seals

    Added this when I did my 8.8 rebuild. They did the trick!


    Year: 2011 Submodel: GT500 lincoln, ne

    Helpful (1) (0)

  • 5/5

    August 27, 2015

    Neil U.

    Everything you need in one box. Really a good deal. Thanks American Muscle!


    Year: 2008 Submodel: GT Lee's Summit, MO

    Helpful (1) (0)

  • 5/5

    August 27, 2015

    works well

    Good fit. no problems with the install. Been running on them for a month or so now with no problems.


    Year: 2008 Submodel: GT NJ

    Helpful (1) (0)

  • 5/5

    December 18, 2014

    Axle Bearings

    Shipping was quick. nice and beefy bearings. My old bearings were damaged when rear axle leaked all fluid out(my error) and I kept driving. Luckily axle shafts were ok. Replaced bearings and seal out and all is well again. Thanks AM


    Year: 2009 Submodel: GT Homestead, FL

    Helpful (1) (0)

  • 5/5

    July 24, 2014

    axle bearings and seals

    Product arrived fast along with another product I ordered. Plan to use them when installing 4.10 gears in my 06 gt, will definitely be a great replacement.


    Year: 2006 Submodel: GT Fort Wayne, IN, USA

    Helpful (1) (0)

  • 5/5

    January 24, 2014

    Ford 8.8 rear axle bearing and seal kit

    This kit is s nice touch when doing gear change. Gives you the added piece of mind. Went together easy with no problems. This is a good idea when you drive your car hard. I would recomend this kit to all. Thanks AM Rob K.


    Year: 2012 Submodel: V6 Crown Point, IN, USA

    Helpful (1) (0)

  • 5/5

    November 29, 2013

    if your building your rear axle buy them

    the last thing you want is to spend all kinds of money making your rear axle stronger, and then have an issue down the road with the bearings. if anything, install them for the piece of mind.


    Year: 2011 Submodel: GT pa

    Helpful (1) (0)

  • 5/5

    December 21, 2013

    kit had every thing needed but instructsions

    everything fit perfect all the shims bearing seals oil and gasket was there had to by book


    Year: 2010 Submodel: GT missoula montana

    Helpful (1) (1)

  • 5/5

    March 21, 2014

    Rear Axle bearing and seal kit

    Went in like a champ, with no issues. I am putting in 3:73 gears and decided with 60K miles I should replace the bearings and seals. I'm on the 4th try to get the shims set up properly. My mechanic has over 40 years of experience doing this sort of thing. The Shims kit does not have enough thin shims, so I had to order them from Ford.


    Year: 2008 Submodel: GT Paducah, KY

    Helpful (0) (1)

  • 5/5

    August 26, 2013

    Ford Racing Axle Bearings and Seals

    At about 49K miles I noticed some fluid drips in my left rear wheel. After taking a look I realized it was gear oil from differential. I ordered these and did some research on the removal and install, i did the work with basic garage tools, and no more leaks! Be sure to inspect your axles where they ride on the bearings especially if you have high mileage. This kit is a cheap way to ensure you don't ruin your rear end!


    Year: 2008 Submodel: GT Valdosta, GA, USA

    Helpful (0) (1)

  • 3/5

    August 22, 2014

    Need more parts

    Includes most stuff needed for a gear change, however only one pinion shim, and if you are doing a complete rebuild, you will still need the two main bearings for the differential which you can get from a local auto parts. No instructions were provided with the kit. An internet search was required to get instructions and important information before doing the work. Wish more gear paint was included. Make sure you know the difference between a face hobbed and a face milled gear before trying to shim the pinion. The paint patterns obtained for these require actions which are completely the opposite of each other. Make sure you have a micrometer and dial indicator to shim the differential properly.


    Year: 2006 Submodel: GT Puerto Rico

    Helpful (0) (1)

  • 5/5

    September 26, 2016

    Can't go wrong with Ford parts

    My seals were leaking so i decided to change the bearing also. I also change to a Ford racing dif cover at the same time. Other than you'll need some special tools to remove and install the bearing, it was extremely easy and fast. Once the axles were out, it took less than 10 minutes to replace both bearing and seals.


    Year: 2005 Submodel: GT

    Helpful (0) (0)

  • 5/5

    February 07, 2016

    Change them if your there

    I had the ring and pinion out of my car and figure might as well change the axle bearings to work great love the whole thing


    Year: 2006 Submodel: GT Lancaster sc

    Helpful (0) (0)

  • 5/5

    August 27, 2015

    Great Bearings, Amazing AM Service

    Bought these after some chatting online with an AM representative about some groaning noises. I work at a Ford dealer and had a tech install them. After a fluid refill I was back on the road, with no noises. A great buy for noisy or leaky axles! As always, I appreciate the staff at American Muscle for getting my pony back on the road.


    Year: 2006 Submodel: GT Charleston, WV

    Helpful (0) (0)

  • 5/5

    August 27, 2015

    Perfect replacement

    Excellent product as expected from Ford Racing. I would recommend these to everyone.


    Year: 2007 Broken Arrow, OK

    Helpful (0) (0)

  • 5/5

    August 21, 2015

    Great deal when not replying axles at same time as gears!

    I purchased this product when I saw that the gear kit did not include them. Quality is great and it is good practice to replace your axle bearings when changing out your gears or differential.


    Year: 2005 Submodel: GT

    Helpful (0) (0)

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