Drivetrain› Differentials and Rear-End Components
USA Standard (Yukon)
USA Standard axle for Ford Mustang 8.8in 4 lug 31 spline 29 1 4in long
SKU: U018 ZA FM4235B
Moderate — 2–4 hours
Description
MIA's Description
It is specifically engineered to fit the 1979-1993 Ford Mustang. The axle is constructed from high-tensile strength steel for durability.
Fitment
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Specifications
| Brand | USA Standard (Yukon) |
| Part Number | U018 ZA FM4235B |
Videos
Yukon Gear vs USA Standard Gear Axles
Mustang Gear Install: Ford Racing 8.8 Ring & Pinion | 1986-2009
Ford 8.8 inch Gear Install (Part 1 of 7): How to install gears ring and pinion
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Installing 3:73 Gears on a Ford 8.8 in my Driveway And Ride Along Test Drive
1999-2004 Mustang GT, Mach 1 Yukon Gear 8.8" Duragrip Posi Rear Differential Review
325Hp Ford Mustang vs. 31 Spline Differential / Dont Make Same Mistakes
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Installing a Ring & Pinion Gear Set | Ford Performance | 1986-2014 Mustang
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Yukon Gear & Axle Ultimate 88 Install (Part 2)
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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