Zumbrota Drivetrain

4340 Chromoly Front Inner Axle

$255.89

SKU: YA W39254

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Yukon Chromoly Inner Front Axle is engineered for robust performance in demanding conditions, specifically designed to fit GM 8.5” differentials. Constructed from heavy-duty 4340 chromoly, this axle offers superior strength and longevity compared to standard components. Its construction includes advanced heat-treating processes and cold-roll formed splines, ensuring high-tensile strength and unmatched durability. This specific axle is designated for the front inner position on the right-hand side of the vehicle. It features a 30 spline count and measures 19.15 inches in length. The axle is designed to work seamlessly with the 5-760X Series u-joint, providing a reliable connection for the drivetrain. This commitment to quality ensures that the YA W39254 axle shaft meets high standards for strength and resilience, making it a dependable choice for upgrades or replacements.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandZumbrota Drivetrain
Part NumberYA W39254
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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