Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

USA Standard 85in GM 342 Ratio Rear Ring and Pinion Gear Set and Master Install Kit Package with Axl

$485.89

SKU: U018 ZG C9.25B-488B

In Stock
In Stock
Ships by Jun 18
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Non-Returnable Item
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Description

USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specifications while providing an affordable drivetrain solution. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its products pass dimensional, material, and fitment testing. This set features a 9.25-inch ring gear diameter, 29-spline pinion, 12 ring gear bolts, and a 4.88 gear 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

BrandUSA Standard (Yukon)
Part NumberU018 ZG C9.25B-488B

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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