# Yukon Gear ZF 9.25in CHY 3.21 Rear Ring & Pinion Install Kit Positraction Axle Bearings and Seals

Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

-   Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
-   Yukon Pro Kits offer premium differential repair & performance parts in several convenient packages to save time and money by including everything you need in one simple part number.
-   The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
-   Gear/Install Kit Incl. Yukon Dura Grip Clutch Style Limited Slip \[LSD\]; All Positraction Units Are Fully Rebuildable
-   Pro Kits Incl. Premium Yukon Ring/Pinion Sets; Yukon Master Install Kits w/High Quality Timken Bearings
-   Pro Kits Incl. The Necessary Small Parts Required To Get Vehicles Off The Lift/Back On The Road Quickly
-   Pro Kits feature the highest quality components and are backed by the best warranty in the business.
-   Pro Kits Feature The Highest Quality Components And Are Backed By The Best Warranty In The Business
-   Yukon Pro Kits Offer Premium Differential Repair Performance Parts In Several Convenient Packages
-   Save Time/Money By Including Everything You Need In One Simple Part Number
-   For Applications with 12 Bolt Rear Cover and 12 Bolt Ring Gear
-   For Applications w/12 Bolt Rear Cover And 12 Bolt Ring Gear
-   This particular kit contains a 3.21 Ring & Pinion Gear Set
-   The Gear and Install Kit Includes Axle Bearings & Seals
-   This Particular Kit Contains 3.21 Ring Pinion Gear Set
-   The Gear And Install Kit Includes Axle Bearings Seals
-   The Ring Gear Diameter Is 9.25 in.
-   The Ring Gear Diameter is 9.25"

This Part Fits:

Year

Make

Model

Submodel

2011-2019

Ram

1500

Big Horn

2012-2018

Ram

1500

Express

2013-2019

Ram

1500

HFE

2011-2019

Ram

1500

Laramie

2014-2015

Ram

1500

Laramie Limited

2011-2019

Ram

1500

Laramie Longhorn

2015-2019

Ram

1500

Limited

2014-2019

Ram

1500

Lone Star

2011-2016

Ram

1500

Outdoorsman

2013

Ram

1500

R/T

2015-2019

Ram

1500

Rebel

2011-2018

Ram

1500

SLT

2014-2018

Ram

1500

Special Service

2011-2018

Ram

1500

Sport

2011-2012

Ram

1500

ST

2011-2019

Ram

1500

Tradesman

2012

Ram

1500

Tradesman HD

## Details

- **Price:** 3235.93 CAD
- **Vendor:** Yukon Gear & Axle
- **Type:** Differential Install Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3235.93 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/yukon-gear-zf-9-25in-chy-3-21-rear-ring-pinion-install-kit-positraction-axle-bearings-and-seals)
> Updated: 2026-06-28