Drivetrain› Differentials and Rear-End Components

ATK ENGINES

GM 09-14 TAHOE/SUBRBAN AX

$1,974.95

SKU: A040 RAX0172A

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This ATK Engines RAX0172A is a remanufactured rear axle assembly designed for various GM trucks and SUVs from 2009-2014. It features a 3.08 gear ratio (GU4) and an 8.5" 10-bolt axle. The unit comes filled with fluid and includes backing plates and axle shafts, making it ready for installation. It is compatible with AWD, 4WD, and RWD models that have a rear coil spring type suspension. For 4WD/AWD vehicles, it is crucial to match the front axle ratio.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandATK ENGINES
Part NumberA040 RAX0172A

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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