USA Standard Gear

Ring and Pinion Gear Kit 3.73 Ratio

$2,041.99

SKU: ZGK2253

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

Description

The USA Standard Gear Axle Ring and Pinion Gear Kit (ZGK2253) is engineered as a high-performance upgrade for the rear axle system of 2014-2018 GMC Sierra 1500 models. This comprehensive kit offers a 3.73 gear ratio, designed to improve traction and overall performance. It is specifically built for 9.5-inch Posi rear axle models and utilizes a 12-bolt rear cover and ring gear configuration, with a 27-spline pinion shaft for enhanced strength. Constructed with a distinctive matte black and polished chrome finish, this gear kit comes complete with a master install kit. This master kit includes premium Koyo bearings, a Yukon Dura Grip clutch-style limited slip differential, and all the essential axle bearings and seals required for a complete installation. The direct replacement design ensures a hassle-free upgrade, aiming to enhance both the performance and durability of your vehicle's drivetrain system. Installation of this ring and pinion gear kit is estimated to take approximately 3 hours and requires mechanical expertise or professional installation. The kit is designed as a direct replacement, simplifying the upgrade process. It provides a reliable solution for boosting rear axle performance, leading to improved handling and traction for your GMC Sierra 1500.

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

BrandUSA Standard Gear
Part NumberZGK2253
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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