Sale

Zumbrota Drivetrain

GM 8.6 4.56 Rear Axle Assembly with Yukon Duragrip Differential

$2,477.08 $2,251.89 Save $225.19

SKU: RAA435-2177X1-P

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

Description

The Zumbrota Drivetrain rear axle assembly is a remanufactured component for the GM 8.6 axle model, featuring a 4.56 gear ratio and a Yukon Duragrip limited-slip differential. This assembly is specifically designed for 2003-2006 GM 1500 SUVs. Zumbrota Performance Axles represent the standard in remanufacturing, incorporating aftermarket gear upgrades to enhance performance tailored to your driving style. Furthermore, all axle tubes undergo inspection and are straightened to meet OEM specifications, ensuring a reliable and durable product. This rear axle assembly is built to order and ships when ready. A refundable core charge of $400 applies, which is returned upon receipt of your old, salvageable part for recycling or rebuilding. The product listing also indicates free shipping over $199 and all reman parts ship for $299, with 1-2 day delivery for most locations and expedited shipping options available at checkout.

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

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

BrandZumbrota Drivetrain
Part NumberRAA435-2177X1-P
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy