USA STANDARD GEAR Standard Replacement Differential Spider Gear — direct fit for Ford Mustang 5.0L V8 (2011-2014). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by USA STANDARD GEAR as a standard replacement grade differential spider gear for the 5.0L V8 engine, this ZIKF88S31 matches factory mounting points and form factor so install requires no modification. Rear Axle; Ford 8.8"; Standard Open; 31 Spline; -7/8" CROSS Pin Shaft Standard replacement spec — the same dimensions, materials and performance envelope as the original factory part.
Search by any number below — they all match USA STANDARD GEAR ZIKF88S31:
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 2011 | Ford Mustang | 5.0L V8 | Rear Axle; Ford 8.8"; Standard Open; 31 Spline; -7/8" CROSS Pin Shaft |
| 2012 | Ford Mustang | 5.0L V8 | Rear Axle; Ford 8.8"; Standard Open; 31 Spline; -7/8" CROSS Pin Shaft |
| 2013 | Ford Mustang | 5.0L V8 | Rear Axle; Ford 8.8"; Standard Open; 31 Spline; -7/8" CROSS Pin Shaft |
| 2014 | Ford Mustang | 5.0L V8 | Rear Axle; Ford 8.8"; Standard Open; 31 Spline; -7/8" CROSS Pin Shaft |
Always replace differential spider gear components in matched sets where applicable, torque fasteners to factory spec, and inspect adjacent drivetrain components for wear during installation. If you're not sure which variant matches your VIN, send us the last 8 digits of the VIN before checkout and we will confirm fitment.
Is ZIKF88S31 a direct replacement?
Yes — USA STANDARD GEAR ZIKF88S31 is built to OEM form/fit/function for the Ford Mustang 5.0L V8 (2011-2014).
Do you ship to my state?
We ship to all 50 USA states. Tracking is provided.
What's the difference between Economy, Standard Replacement and Heavy Duty?
Economy is the value-priced option for everyday driving; Standard Replacement matches OEM spec; Heavy Duty uses upgraded materials for towing, fleet and severe service.
How can I confirm fitment?
Match year, make, model and engine (2011-2014 Ford Mustang 5.0L V8). When in doubt, send your VIN — we verify before dispatch.
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Note: The product image is for illustrative purposes only. Actual product may vary slightly in appearance, packaging, or labeling. Fitment and specifications are guaranteed to OEM standards.