Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Eaton Posi Ford 8.80-Inch Limited Slip Differential; 31-Spline
(11-14 Mustang V6; 86-14 V8 Mustang, Excluding 13-14 GT500
Find parts that fit my vehicle Item 432741
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Eaton Posi™ Differential; Ford 8.8 In.; 31 Spline; All Ratios
- Product Weight 21.8 Lb
- Differential Type Limited Slip (LSD)
- Gear Spline Tooth Count 31 Ea
- Model Product Notes Use a quality, petroleum-mineral based, GL5 rated 80w-90 gear oil. It is necessary to add a four-ounce bottle of friction modifier for optimum performance if the friction modifier has not already been added to the petroleum-mineral based gear oil.
- Ring Gear Ratio All
- Ring Gear Size 8.8 In
- Axle Shaft Diameter 1.32 In
- Vehicle Usage On-road street and muscle, on-road work truck/towing, off-road light trail/sand sports, on-road drag racing, on-road restoration
- Fits 2011-2014 Mustang V6; 1986-2014 V8 Mustang, excluding 2013-2014 GT500
| Brand | Eaton |
| Axle Spline Count | 31-Spline |
| Differential Ring Gear Size | 8.8 Inch |
Description
High-Performance Differential. The Eaton Posi Ford 8.8-Inch Limited Slip Differential, featuring 31 splines, is engineered to enhance traction and vehicle control under demanding driving conditions. It distributes torque efficiently between wheels, improving handling on both road and off-road surfaces. This limited slip differential maximizes grip and ensures consistent power delivery for street, muscle, towing, and light off-road applications.
Construction and Appearance. Constructed from durable steel, this differential includes an 8.8-inch ring gear and 31-tooth spline gears. It is precision-engineered for strength and reliability, supporting a range of gear ratios and heavy-duty use. The exterior finish is designed to resist corrosion for long-lasting performance.
Installation. Installation is straightforward for those with mechanical experience and does not require drilling or fabrication. The differential fits directly into the Ford 8.8-inch axle housing, simplifying upgrades.
Application. Compatible with 2011-2014 Mustang V6 and 1986-2014 V8 Mustang models, excluding 2013-2014 GT500 versions, this differential suits most popular Mustang configurations from those years.
Eaton 19588-010
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Slip Differential Assembly
4.9
Reviews of Eaton Drivetrain Products (46)
Questions & Answers
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Will It Fit My Mustang
- Boss 302 - 12, 13
- Bullitt - 01, 08, 09
- Cobra - 93, 94, 95, 96, 97, 98, 99, 01, 03, 04
- Cobra R - 93, 95, 00
- GT - 87, 88, 89, 90, 91, 92, 93, 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
- LX - 87, 88, 89, 90, 91, 92, 93
- Mach 1 - 03, 04
- Other - 86
- V6 - 11, 12, 13, 14
