Drivetrain› Differentials and Rear-End Components

Zumbrota (Yukon)

Chevrolet GMC (4WD) Differential - Rear

$1,406.60

SKU: Z00G RAA435-1249DE

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This remanufactured rear axle assembly for GM 10 Bolt 8.5 Inch differentials features a 3.42 ratio with G80 Posi Traction. Zumbrota Drivetrain ensures precision setup and longevity. Housings are hydro-blasted and rinsed to OEM finish. Includes 100% replacement of bearings, seals, crush sleeves, pinion nuts, and shims. All internal parts (ring & pinions, internal gears, clutches, carriers) are 100% inspected. Housings are tested for surface wear and cracks; tubes are straightened to OEM specifications. Does not include hubs, brakes, backing plates, or axle shafts.

Fitment

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Specifications

BrandZumbrota (Yukon)
Part NumberZ00G RAA435-1249DE

Buy with Confidence

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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