Ford Performance Differential Traction-Lok 34-Spline 8.8" 2015-2017

Ford Performance: M-4204-M
MSRP: $199.00
CJ's Low Price:
$178.99
1508716800 60785
Pick up the friction modifier & installation kit that is required to be used with this differential.
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Ford Performance Differential Traction-Lok 34-Spline 8.8" 2015-2017
Ford Performance Differential Traction-Lok 34-Spline 8.8" 2015-2017 Play Ford Performance Differential Traction-Lok 34-Spline 8.8" 2015-2017 Video 1
Ford Performance

Product Description

Ford Performance 8.8" 34-Spline Traction-Lok Differential for all 2015, 2016 and 2017 Mustangs.

If you need a replacement for the differential on your 2015-2017 Mustang, you must pick up this 8.8" 34-Spline Traction-Lok Differential from Ford Performance. This is the factory OEM replacement that came on the standard 2015-2017 Mustang.

Features:
- Direct Factory Replacement
- Designed to Fit an 8.8" Rear End
- For Use with 3.31, 3.55, 3.73 and 4.09 Super 8.8" Gear Sets
- Fits 34-Spline Axles
- Limited Slip
- Transfers 100% of Torque to each Rear Drive Wheel Concurrently
- Provides Increased Traction

This Traction-Lok Differential from Ford Performance (formerly Ford Racing) is a direct fit replacement on your S550 Mustang and will maintain the high-quality that Ford Racing has set. Designed to fit an 8.8" rear end, this differential is intended to be used with Ford Racing's 3.31, 3.55, 3.73 or 4.09 Super 8.8 Gear Sets. Accommodating 34-spline axles, Ford Performance manufactures this differential with limited slip. This will transfer 100% of torque to each rear wheel simultaneously, allowing both wheels to put the power down on the ground for increased traction and a better overall driving experience. Installing Ford Performance's traction-lok differential to your 2015-2017 Mustang will support a solid rear-end or new Independent Rear Suspension (IRS) installation.

Please Note: Installing this differential will require the use of 4-ounces of friction modifier with initial fill.

If you're looking for parts for your Mustang, you should start by looking at the huge selection of Mustang parts that CJ Pony Parts offers from Ford Performance (formerly Ford Racing). By buying your Ford Performance parts from CJ Pony Parts, you know you're getting your Mustang parts from a reliable, reputable dealer, since CJ Pony Parts is a Top 10 Ford Performance Dealer and has been for the last 10 years. When you buy your Ford Performance Mustang parts from CJ Pony Parts, you know you have a winning combination.

Pick up this Ford Performance 8.8" 34-Spline Traction-Lok Differential M-4204-M for your 2015, 2016 or 2017 Mustang from CJ Pony Parts today!

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Installation Instructions

Mustang Installation

Mustang Applications

This product will fit the following Mustang years:

Product Reviews

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Product Questions

I have an 8.8 differential in my 52 Ford with a 302 small block, have no idea what it came out of, is there a way to tell the spline count with out pulling the axles?

Asked by: Donut
Most likely it is a 28 spline but unless there is a tag to tell you what the rear is you will have to pull an axle to check.
Answered by: rk cjpp
Date published: 2017-10-09

Will the M-4204-M fit 2016 F150 8.8 34 spline?

Asked by: whynot
The vendor has not provided any information regarding cross-fitments of this part to any other model then what is listed.
Answered by: rk cjpp
Date published: 2017-06-16

I just got the M4204M from you guys with the 355 gears because I'm going from 315 in my 2015 auto is there any thing else I must buy to make this work bc I'm almost tapped for funds this month

Asked by: Mike R
You will need a way to have the speedometer recalibrated, oil and a new diff gasket.
Answered by: Rick CJs
Date published: 2017-07-21

can I use this item on my 2003 ford f150 with a 8.8 rear-end

Asked by: ROBERT72
We do not know, Ford only specifies 2015-2017 Mustangs.
Answered by: Rick CJs
Date published: 2017-06-01

WIll this diff fit the Super 8.8 in the 2015+ F150? Does the T2 Torsen diff fit?

Asked by: RodK
The vendor has not provided any information regarding cross-fitments of this part to any other model then what is listed.
Answered by: rk cjpp
Date published: 2017-05-25

do you have a 7.5 with 28 splin

Asked by: hilton
No we do not.
Answered by: rk cjpp
Date published: 2017-05-03

I have a 1989 f150 8.8 3.55 gear limted slip will this fit

Asked by: Chrish1993
No.
Answered by: CJPP Dave
Date published: 2017-01-06

will this fit in 94 explorer differential housing..

Asked by: tucsonlouie
The vendor has not provided any information regarding cross-fitments of this part to any other model then what is listed.
Answered by: CJPP Dave
Date published: 2016-12-27
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Product Video

Ford Performance Differential Traction-Lok 34-Spline 8.8" 2015-2017 Video Transcript
By Bill Tumas: We’re here with a factory replacement rear differential fitting your 2015 Mustang GT from Ford Racing.

This 34-spline differential is a factory replacement for the original differential found in the IRS 8.8 rear in your 2015 Mustang GT. It will only work in the IRS and it's designed for use with either 373s or 355s, which again using 2015-specific gears.

Ford Racing 355 and 373 gears designed to be used with this differential are available separately.