Drivetrain› Differentials and Rear-End Components
Yukon Gear & Axle
Yukon Gear Ford 9in Differential Dropout Assembly 31 Spline 3.70 Ratio
SKU: Y001 YDAF9-370-31
Moderate — 2–4 hours
Description
Fitment
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Specifications
| Brand | Yukon Gear & Axle |
| Part Number | Y001 YDAF9-370-31 |
Videos
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How to install a spool! Ford 9 inch Third member setup(5.43 gears)
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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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