Drivetrain› Differentials and Rear-End Components

USA Standard Gear

3.73 Ring and Pinion Kit with Master Install Kit

$907.17

SKU: ZGK2249

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Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The USA Standard Gear ZGK2249 is a differential ring and pinion kit designed for GM vehicles. This kit includes a 3.73 ring and pinion gear set, a master installation kit with Koyo bearings, and necessary small parts for installation. It is designed for applications with a 12-bolt rear cover and 12-bolt ring gear, and fits carrier cases designed for 3.42 & up gear ratios with a 2.6" tall carrier case deck height. The kit also features a 27-spline pinion shaft and includes axle bearings and seals.
Show original supplier description
The USA Standard Gear ZGK2249 is a comprehensive differential ring and pinion kit specifically engineered for GM applications requiring a 3.73 gear ratio. The installation kit contains all the essential components, including premium Koyo bearings, seals, and various small parts, ensuring a complete and proper differential repair. The kit is designed for systems featuring a 12-bolt rear cover and a 12-bolt ring gear, and it is compatible with carrier cases designed for 3.42 & up gear ratios. The carrier case deck height for compatible cases is 2.6 inches tall, and the pinion shaft has 27 splines. USA Standard Gear prioritizes quality, employing rigorous in-house testing to ensure their gears meet strict dimensional, material, and fitment standards. This ZGK2249 kit is built to withstand the demands of everyday driving, trail running, and spirited use. The kit is suitable for a range of GMC, Chevrolet, and Cadillac vehicles from approximately 2014-2019, including the Yukon, Sierra 1500, Savana, Tahoe, Suburban, Silverado 1500, Express, Escalade, and Escalade ESV. It's important to verify specific year and model compatibility for your vehicle. The product is covered by a 1-year warranty. This kit is designed for the following applications: GMC Yukon XL 1500 (2014) GMC Yukon (2014-2019) GMC Sierra 1500 (2014-2019) GMC Savana 2500 (2014-2017) GMC Savana 1500 (2014) GMC Yukon XL (2015-2019) Chevrolet Tahoe (2014-2019) Chevrolet Suburban 1500 (2014) Chevrolet Silverado 1500 (2014-2019) Chevrolet Express 2500 (2014-2017) Chevrolet Express 1500 (2014) Chevrolet Suburban (2015-2019) Cadillac Escalade (2014-2019) Cadillac Escalade ESV (2014-2019)

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 NumberZGK2249
CategoryDrivetrain
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Returns & Fitment

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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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