Yukon Gear & Axle Chromoly Rear Axle

2018–2020 Jeep Wrangler 3.6L V6 / 2020 Jeep Wrangler 3.0L EcoDiesel / 2018–2020 Jeep Wrangler 2.0L Turbo

Part #: YA WD44JLNON-32-32.3

Overview

The Yukon Gear & Axle Chromoly Rear Axle is a premium replacement axle designed specifically for select Jeep Wrangler models from 2018 to 2020, including the 3.6L V6, 3.0L EcoDiesel, and 2.0L Turbo engines. Engineered to outperform stock axles, this 32-spline axle measures 32.3 inches in length and is built to withstand the rigors of off-road adventures, daily driving, and high-performance applications. Whether you’re upgrading for durability, strength, or reliability, this axle delivers enhanced toughness and longevity.

Ideal for Jeep enthusiasts who demand more from their drivetrain, the Yukon Chromoly Rear Axle offers a direct-fit solution that improves axle strength without compromising factory fitment or vehicle dynamics.

Key Features

Crafted with advanced materials and manufacturing processes, this axle provides superior performance and durability. Key features include:

• 32-spline chromoly axle shaft for increased strength and torque capacity
• 32.3-inch length designed for precise fitment in specified Jeep Wrangler models
• High-quality alloy steel construction for enhanced toughness and resistance to wear
• Heat-treated using the latest technologies to improve hardness and fatigue life
• Direct replacement for factory rear axle shafts, ensuring easy installation
• Engineered to handle off-road abuse, street driving, and track conditions
• Compatible with 2018–2020 Jeep Wrangler 3.6L V6, 2020 3.0L EcoDiesel, and 2018–2020 2.0L Turbo engines
• Designed to maintain proper axle geometry and vehicle handling characteristics

Construction & Design

The Yukon Chromoly Rear Axle is manufactured from premium chromoly steel, a material known for its exceptional strength-to-weight ratio and durability. This alloy undergoes rigorous heat treatment processes to enhance its mechanical properties, resulting in an axle shaft that resists bending, twisting, and premature wear under demanding conditions.

Each axle is precision-machined to exact OEM specifications, ensuring a perfect fit and seamless integration with the Jeep Wrangler’s rear differential and suspension components. The robust design supports increased torque loads, making it an excellent upgrade for lifted vehicles, heavy-duty off-road use, or performance builds.

Installation & Fitment

This Yukon Gear & Axle Chromoly Rear Axle is a direct bolt-in replacement for the rear axle shafts on 2018–2020 Jeep Wrangler models equipped with 3.6L V6, 3.0L EcoDiesel, or 2.0L Turbo engines. Installation requires standard mechanical tools and basic axle servicing knowledge. No modifications to the axle housing or suspension are necessary, preserving factory alignment and driveline geometry.

For best results, professional installation is recommended, especially when dealing with axle shaft removal and reassembly of differential components. Proper torque specifications and lubrication should be followed to ensure optimal performance and longevity.

What's Included

• One Yukon Gear & Axle Chromoly Rear Axle Shaft (32 spline, 32.3 inches long)
• Installation instructions (where applicable)

Ideal For

This axle is perfect for Jeep Wrangler owners seeking a durable, high-strength rear axle upgrade that can handle increased power, off-road stresses, and demanding driving conditions. It suits enthusiasts who want to enhance their vehicle’s drivetrain reliability without sacrificing OEM fitment or drivability. Whether you’re tackling rugged trails, upgrading your suspension, or building a performance Jeep, this axle provides the strength and confidence needed for serious use.

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.