Yukon Gear & Axle Rear Dana 44 Ring & Pinion Set

2007–2018 Jeep Wrangler JK

Part #: YG D44JK-321RUB

Overview

The Yukon Gear & Axle Rear Dana 44 3.21 Ring & Pinion Set is engineered to deliver superior drivetrain performance and reliability for Jeep Wrangler JK models from 2007 through 2018. Designed for off-road enthusiasts, daily drivers, and anyone looking to optimize their vehicle’s traction and gear ratio, this ring and pinion set provides a precise fit and long-lasting durability. Whether you’ve upgraded your engine for more horsepower or installed larger tires, this gear set ensures your drivetrain components work harmoniously to maintain optimal power delivery and drivability.

Yukon Gear & Axle is renowned for its commitment to quality, utilizing advanced engineering and manufacturing processes to produce gear sets that meet or exceed OEM standards. This product is backed by Yukon’s Y.E.S. Plan, a lifetime warranty that offers comprehensive coverage for as long as you own your Jeep, giving you peace of mind with every mile.

Key Features

Built to meet the demands of high-performance and heavy-duty applications, the Yukon Rear Dana 44 3.21 Ring & Pinion Set offers the following key features:

• Precision-engineered ring and pinion gears for exact gear ratio and smooth operation
• Advanced heat-treating process enhances strength and wear resistance
• Optimized tooth design reduces noise and vibration for quieter performance
• Compatible with Jeep Wrangler JK rear Dana 44 axles from 2007 to 2018
• Wide selection of gear ratios available to match various performance and tire size upgrades
• Manufactured using high-grade alloy steel for superior durability
• Includes Yukon’s lifetime Y.E.S. Plan warranty for long-term protection
• Designed to improve traction and drivetrain efficiency under increased load conditions

Construction & Design

The ring and pinion gears are crafted from premium alloy steel, selected for its exceptional strength and resistance to fatigue. Yukon employs state-of-the-art CNC machining to achieve precise gear tooth profiles, ensuring optimal meshing and power transfer. The gears undergo an advanced heat-treating process that hardens the surface while maintaining a tough core, resulting in enhanced wear resistance and longevity.

Each gear set is meticulously inspected and tested to meet stringent quality standards, guaranteeing consistent performance and reliability. The surface finish is optimized to reduce friction and noise, contributing to a smoother and quieter driving experience.

Installation & Fitment

This ring and pinion set is a direct fit replacement for the rear Dana 44 axle on Jeep Wrangler JK models from 2007 to 2018. Installation requires professional knowledge of axle gear setups, including proper shimming and backlash adjustment to ensure optimal gear mesh and longevity. It is recommended to have the installation performed by a qualified technician or experienced mechanic to maintain drivetrain integrity and performance.

No modifications to the axle housing or differential are necessary, making this gear set a straightforward upgrade for those seeking improved gear ratios and drivetrain efficiency.

What's Included

• Rear Dana 44 3.21 ring gear
• Matching pinion gear
• Installation instructions
• Warranty information for Yukon Y.E.S. Plan

Ideal For

This ring and pinion set is ideal for Jeep Wrangler JK owners who have upgraded their engine performance or installed larger tires and need to recalibrate their gear ratios for optimal power delivery. It suits off-road enthusiasts, daily drivers, and anyone looking to enhance traction and drivetrain efficiency without compromising reliability. The Yukon Gear & Axle set is also perfect for those seeking a durable, lifetime-backed gear solution for their rear Dana 44 axle.

Yukon Gear & Axle supplies hardcore drivetrain components—ring & pinion gears, axles, lockers, and differential upgrades—built for off-road and high-load performance. Trusted by enthusiasts and installers, Yukon focuses on fit, strength, and proven options for re-gearing and reinforcing trucks and 4x4s running bigger tires and tougher terrain.