Zumbrota Drivetrain

4340 Chromoly Drive Shaft, 40.25" Length

$294.89

SKU: YA WGM11.5B-30-40.25

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

Description

The Yukon Chromoly Axle is a high-performance drive shaft component engineered for GM/AAM 11.5” rear differentials. Constructed from high-tensile strength 4340 Chromoly, this axle is built for superior strength and durability. Its 40.25” length can be cut to accommodate nominal lengths between 34” and 40.25”, offering versatility for various applications. The axle utilizes advanced production methods, including cold roll formed splines and advanced heat treating, to ensure unmatched quality. The 4340 Chromoly construction provides exceptional toughness, making it a reliable upgrade for demanding use cases.

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 WGM11.5B-30-40.25
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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