Zumbrota Drivetrain

GM 10.5" 14 Bolt Rear Axle Assembly

$4,187.58

SKU: RAA435-274X2

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

Description

The Zumbrota Performance Axle, RAA435-274X2, is a remanufactured rear axle assembly specifically engineered for 2011-2019 GM 2500 Pickup trucks. This unit is built with a robust GM 10.5" 14 bolt full float axle, an open differential, and a 4.88 gear ratio, designed to meet the demands of your driving needs. Zumbrota Performance Axles are recognized as the standard in remanufacturing performance. This assembly includes aftermarket gear upgrades to enhance performance tailored to your specific driving style. For even greater customization, optional Limited Slip Differentials and Lockers can be fitted. Furthermore, all axle tubes are rigorously inspected and straightened to meet OEM specifications, guaranteeing structural integrity and proper alignment. This Zumbrota Rear Axle Assembly is built to order, with an estimated delivery time of 1-2 days for most locations after dispatch. Expedited shipping options are also available at checkout. The product includes a refundable core charge of $1,500, which is returned upon receipt of your old, salvageable part for recycling or rebuilding.

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 NumberRAA435-274X2
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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