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Ford Performance Finned Differential Cover - 8.8 in. (86-14 V8; 11-14 V6, Excludes IRS)

Market Price $206.99 You Save 15% ($32.02)
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  • Item 50501
  • MPN# M-4033-KA

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Features & Details

  • Original Equipment on 2013 Shelby GT500 with Track Pack
  • Finned Design
  • Dissipates Heat - Increases Gear Life
  • Increases Rear End Rigidity
  • Light-Weight Cast Aluminum Construction
  • Fittings for Differential Cooler Pickup and Return Lines
  • Cover Machined for Temperature Sensor with M10 X 1.6-6h Threads
  • Fits 1986-2014 8.8" Solid Axle Equipped Mustangs
GT500 Original Equipment. This Ford Racing Finned Differential Cover is the same exact one found as original equipment on the 2013 Shelby GT500 with the Track Pack option. Designed with cooling fins to reduce overall gear oil temperature to improve gear and bearing life, this Differential Cover features fittings for differential cooler pickup and return lines, as well as an oil temperature sensor.

Finned Aluminum Reduces Heat. Constructed from light-weight cast aluminum the Ford Racing Mustang 8.8" Differential Cover features a finned design that dissipates heat much faster than the factory unit to prolong the life of your ring and pinion gears.

Recommended Upgrade. When changing your differential cover it is recommended to upgrade to fresh Royal Purple Synthetic Gear Oil. You will need 3 quarts of Gear Oil.

Application. This Finned Ford Racing Differential Cover is designed to fit the 1986-2014 Mustangs equipped with the 8.8" solid axle rear end, including the 2011-2014 V6, 1986-2014 GT, Bullitt, Mach 1, BOSS, Shelby GT500 and 1993-1998 SVT Cobra. It will not fit 1999-2004 Independent Rear Suspension (IRS) equipped SVT Cobras.

Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

What's in the Box
  • (1) Axle Differential Cover
  • (1) Fill Plug
  • (1) Drain plug
  • (1) Cover vent plug
  • (10) Hex-head bolts
Installation Info
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • Foxbody - 86, 87, 88, 89, 90, 91, 92, 93
  • Mach 1 - 03, 04
  • V6 - 11, 12, 13, 14
  • Bullitt - 01, 08, 09
  • Cobra - 94, 95, 96, 97, 98
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

Fits Mustangs equipped with a 8.8" rear end only. Does not fit 1999-2004 IRS equipped Cobras

People Who Bought This Item Also Bought

Most Helpful Reviews

sould come stock from factory

looks good and you can do your diff fluid changes easier. oh, and it's cost is a tad high

Helpful (1)

Good for the money

I was experiencing some high temps and accelerated wear in my factory rear end under occasional track conditions. This finned diff is exactly what should have always come standard on any of the GT and ...

Read More
Helpful (1)

Overall Rating 4.8 out of 5 stars
Read All 10 Reviews

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2 Questions / 2 Answers

Ask a Question

I have a Whiteline adjustable panhard bar on my 2009 GT. do I need a relocation bracket to clear the finned diff cover?


Helpful (0)
  • You will not need a relocation bracket for the Whiteline adjustable panhard bar to clear the finned diff cover.


Does this cover come complete with all the gasket that is required for installment? How much fluid do I need to refill the differential?


Helpful (0)
  • This cover does not come with the gasket and it will need 3 quarts of Royal Purple Synthetic gear oil.


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Customer Reviews (10) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

Installation Cost:$100-$250

  • Performance Gain 4.333333 4.3
  • Fit 5 5

  • 4/5

    Installation Time: Afternoon

    November 20, 2016

    Good for the money

    I was experiencing some high temps and accelerated wear in my factory rear end under occasional track conditions. This finned diff is exactly what should have always come standard on any of the GT and up mustang models, and seems to have helped keep the temps a bit more under control.


    Year: 2013 Submodel: GT

    Helpful (1)

  • 5/5

    July 20, 2016

    sould come stock from factory

    looks good and you can do your diff fluid changes easier. oh, and it's cost is a tad high


    Year: 2014 Submodel: V6

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    August 22, 2014

    Cools the Fluid and Looks Great

    I installed this Finned Rear Diff Cover, along with a New Diff. Installation went as smooth as silk. Everything I needed was in the box. Before I installed the Diff I did a temperature check. After installation there was a noticeable drop in the Syn Oil temperature. I would highly recommend this product.


    Year: 2009 Submodel: Bullitt Downers Grove, IL, USA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    November 23, 2013

    Differential cover

    Installation was very easy and it looks very good on the car.


    Year: 1992 Submodel: GT Cartersville, GA, USA

    Helpful (1)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    September 22, 2013

    Nice track upgrade features

    Simple bolt up to rear, I had dealership do it when they serviced the rear. Other wise can be installed by yourself with a socket and gear oil (dont forget the ford rear friction reducer!). It is setup if doing track runs to upgrade to a rear differential cooler at a later time. I like it as holds more fluid then stock GT cover. Also has cooling fins so you know fluid will stay cooler to help rear end parts to have a longer life.


    Year: 2013 Submodel: GT New Jersey, USA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    January 16, 2016

    Ford Racing Finned Differential Cover

    Needed to change the differential oil so I thought I'd swap out the cover with this on. Well made and looks cool.


    Year: 2011 Submodel: GT Chunchula, AL

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    March 24, 2014

    This product is better than stock!!!

    It has the fittings to run a diff cooler. I will be installing it at a later date. I bought the entire 8.8 diff for my 07 GT. I LOVE THE WHOLE SET UP!!! For me it was like flipping a switch. Also the diff cover looks great.... Way better than stock!!!!


    Year: 2007 Submodel: GT New Jersey.

    Helpful (0)

  • 4/5

    Installation Time: Afternoon

    January 24, 2014

    A great finishing touch to any rear end rebuild!

    You can't go wrong with Ford Racing quality and fitment. This differential cover is a great looking and functional upgrade to add to a gear swap project. The finned design will help dissipate heat for better gear life and the fill/drain plugs will allow for easier gear oil changes in the future. If you're spending the time and money to swap your gears go ahead and swap out the stock diff cover too, it's worth it for the looks alone. I’m very happy that I picked one up when I went to 4.10 gears.


    Year: 2009 Submodel: GT Atlanta, GA, USA

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    August 26, 2013

    Great fit, quality product

    Purchased this as it was time to change the rear axle fluid on my 2008 Bullitt (60k miles, very dirty fluid). I figured I would change out the cover to make future changes easier, as the standard cover does not have a drain plug. The cover is made very well, and has magnetic bolts on the "fill" and "drain" plugs. They are not exactly meant for Fill and drain, I think they are more meant for the optional GT-500 diff cooler, but they could work as such. The supplied hardware fit perfect, and had some loctite reapplied. One note about the install, the panhard bar did have to be removed to fit the cover on. I would suggest taking out the panhard bar first thing, it will give you more room to work during the rest of the process. the stock panhard bar will fit back in place once the cover is on with plenty of room, but it had to be removed first. not a big deal as it takes very little time. All in all pleased, and if the fins do help cooling thats just an added bonus.


    Year: 2008 Submodel: Bullitt King of Prussia, PA, USA

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    March 02, 2017

    Great Fix for axle leak

    Got this for my 2011 GT because I was having oil leak from the axle vent tube. I replaced the vent tube first with Ford OEM part and still had the drips on the garage floor. Installed this cover because it has the fins to keep it cooler and it worked. No more oil drips. FYI you will have to drop the panhard bar in order to install new one. And be sure to get the longer bolts that are suggested with this, stock bolts are too short. Great product, looks great, and it works for leaks.


    Year: 2011 Submodel: GT

    Helpful (0)

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