Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

11.5 AAM 4.56 Rear Ring Pinion Install Kit 4.375 OD Pinion Bearing 11.5 AAM 4.56 REAR R P GEA

$1,021.89

SKU: U018 ZGK2114

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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 USA Standard Gear 11.50-Inch AAM Rear Axle Ring and Pinion Gear Kit is designed to enhance vehicle performance with a 4.56 gear ratio, ideal for heavy-duty applications. It includes a Yukon Dura Grip clutch-style limited slip differential for improved traction. Constructed from high-quality materials, it features a robust 11.50-inch ring gear and precision-machined components for reliability.

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZGK2114

Videos

Proper Break-In Procedure for New Ring & Pinion Gears

Proper Break-In Procedure for New Ring & Pinion Gears

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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