Zumbrota Drivetrain

8.6" Rear Differential Ring and Pinion Gear Kit

$1,757.89

SKU: YGK2029

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Zumbrota Drivetrain YGK2029 is a comprehensive ring and pinion gear and installation kit engineered for 8.6-inch GM rear differentials. This kit provides a 4.56 gear ratio, designed to enhance performance and drivability for compatible vehicles. It is specifically designed for Positraction applications and features 30 splines for superior grip and torque transfer. The kit contains all necessary components for a complete differential rebuild, including the gears, bearings, and all small parts required for proper installation. This product fits a wide range of GM vehicles, including various models of Cadillac Escalade, Chevrolet Avalanche, Colorado, Express, Silverado, Suburban, Tahoe, Trailblazer, GMC Canyon, Envoy, Savana, Sierra, Yukon, and Hummer H3, spanning model years from 1979 to 2023. Please verify fitment for your specific vehicle year, make, and model.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandZumbrota Drivetrain
Part NumberYGK2029
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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