Drivetrain› Differentials and Rear-End Components
ATK ENGINES
GM 09-14 SUV POSI 4.56 AXLE
SKU: A040 RAXP0172F
Moderate — 2–4 hours
Description
Fitment
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Specifications
| Brand | ATK ENGINES |
| Part Number | A040 RAXP0172F |
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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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