2015-18 Mustang Ford Performance Loaded 3.55 Differential Housing by Ford Performance

Details   |  Description
  • Ford Racing Mustang Loaded 3.55 Differential Housing (15-17) M-4001-88355
Ford Racing Mustang Loaded 3.55 Differential Housing (15-17) M-4001-88355

Install a new Ford Racing loaded differential housing into your 2015-18 Mustang for optimal performance!

Item #M400188355
MPN# M-4001-88355

Your Price: $899.00

Market Price:$1,095.00
You Save 17.90 % ($196.00)

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  • Pre-installed Gears
  • 100% New Parts
  • Increased Acceleration


  • Ford Racing 3.55 Performance Gears Set
  • Ford Racing Differential
  • Iron Housing
  • Aluminum Differential Cover

What's in the Box

  • (1) Loaded IRS Housing

Made in the USA

Product Description

Mustang Loaded 3.55 Differential Housing
If you're looking to replace the rear gears in your Mustang or repair a broken housing, the Ford Performance loaded differential housing will get you up and running in no time. The loaded housing features M-4209-88355A Mustang IRS super 8.8" ring/pinion set and M-4204-M traction-lok differential. The gears are pre-installed, set, and ready to roll with no additional difficult gear install needed. Installing this loaded housing is an easy way to make your 3.15 or 3.31 geared Mustang accelerate quicker.

- Custom calibration required for speedometer and shift corrections is require if your stock gears are not 3.55.
- Requires 4-ounces of friction modifier with initial fill.
- Iron housing is great upgrade for automatic Mustang w/ aluminum differential housing.

-Fits 2015-2018 Mustang V6, EcoBoost, GT

Ford Performance Racing Parts - NO WARRANTY - Click Here

Speedometer Correction
After installation of rear gears, you will need to correct the speedometer. There are different methods to do this depending on year model.

1979-1995 Speedometer Correction - Click Here

1996-2017 Speedometer Correction - Click Here

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Vehicle Applications

Ford Mustang - 2015 (15) - 2016 (16) - 2017 (17) - 2018 (18)

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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