Zumbrota Drivetrain

GM 8.5" Rear Axle Assembly 3.73 Posi Traction

$1,749.89

SKU: RAA435-1869B-P

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

Description

The Zumbrota Drivetrain RAA435-1869B-P is a remanufactured GM 8.5-inch rear axle assembly, featuring a 3.73 gear ratio and a Posi Traction differential for enhanced traction. This assembly is built to precise specifications, with all tubes inspected and straightened to OEM standards. Internally, Zumbrota Drivetrain conducts a 100% inspection of all components, including the ring and pinion gears, internal gears, clutches, and carriers, ensuring reliability and performance. It is specifically designed to fit 1996-2002 Chevrolet Express 1500 and GMC Savana 1500 models. Please note that this axle assembly does not include hubs, brakes, backing plates, or axle shafts.

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 NumberRAA435-1869B-P
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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