Zumbrota Drivetrain

Remanufactured Complete Axle Assembly, 3.73 Ratio, GM 9.5-Inch, 8-Lug

$2,975.49

SKU: RAA435-1838B

In Stock
In Stock
Ships by Sep 1
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Zumbrota Drivetrain RAA435-1838B-P is a remanufactured complete axle assembly, precision-built for reliability. This unit features a 3.73 gear ratio for the GM 9.5-inch ring gear, specifically designed for 1995-1999 GM Suburban 1500 4x4 models with 8-lug semi-float axles and G80 Posi Traction. It is important to note that this assembly does not include hubs, brakes, backing plates, or axle shafts. Zumbrota Drivetrain's remanufacturing process involves rigorous inspection of all components. The axle tubes are checked for straightness to OEM specifications, and housings are tested for surface wear and cracks. Internally, all parts including the ring and pinion, gears, clutches, and carriers undergo a 100% inspection. To ensure longevity and performance, all bearings, seals, crush sleeves, pinion nuts, and shims are replaced. Gears are meticulously inspected for optimal tooth contact patterns and set to precise rolling torque using inch-pound measurements, with correct gear backlash established for proper lubrication and quiet operation. This axle assembly undergoes a proprietary cleaning process utilizing hydro-blasting and sandblasting, followed by a deep cleaning procedure that restores cases to an OEM finish.

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 NumberRAA435-1838B
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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