Drivetrain› Differentials and Rear-End Components
USA Standard (Yukon)
USA Standard steel spool for Dana 44 with 30 spline axles 3.92 and up
SKU: U018 ZP FSD44-4-30UP
Moderate — 2–4 hours
Description
Fitment
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Specifications
| Brand | USA Standard (Yukon) |
| Part Number | U018 ZP FSD44-4-30UP |
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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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