Drivetrain› Differentials and Rear-End Components
Yukon Gear & Axle
Yukon Gear 4340 Chrome-Moly Outer Front Axle For Dana 30/44 Diff / 30 Spline / 9.307in Long
SKU: Y001 YA W39129
Beginner — under 30 min
Description
It is engineered to utilize a 1350/7166 series U-joint and incorporates superior production methods, including cold roll-formed splines and advanced heat treating, to ensure unmatched quality and longevity.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Yukon Gear & Axle |
| Part Number | Y001 YA W39129 |
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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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