Crown Auto Rear Axle Shaft Bearing Kit

2007–2018 Jeep Wrangler JK All Engines (3.6L V6 & 3.8L V6)

Part #: D44JKBK

Overview

The Crown Auto Rear Axle Shaft Bearing Kit is a direct replacement solution designed specifically for the Jeep Wrangler JK models from 2007 through 2018. This kit fits both left and right axle shafts, providing a reliable repair option for worn or damaged rear axle bearings. Ideal for Jeep enthusiasts and mechanics seeking a durable, OEM-quality bearing kit, it ensures smooth axle operation and helps maintain the integrity of your vehicle’s drivetrain.

Engineered to meet or exceed factory specifications, this kit restores proper axle shaft function, reducing noise and vibration caused by bearing wear. Whether you’re performing routine maintenance or addressing axle shaft bearing failure, the Crown Auto kit offers a cost-effective and dependable fix.

Key Features

Designed for Jeep Wrangler JK models, this bearing kit offers the following benefits:

• Fits both left and right rear axle shafts for versatile installation
• Includes all necessary components: bearing, seal, and retaining ring
• Direct replacement for factory axle shaft bearings, ensuring proper fit and function
• Sold individually; two kits required per vehicle for complete axle service
• Compatible with multiple engine options including 3.6L V6 and 3.8L V6
• Utilizes existing hardware for straightforward installation without additional parts
• Backed by a 12-month warranty for peace of mind
• Manufactured by Crown Auto, a trusted name in quality automotive components

Construction & Design

The Crown Auto Rear Axle Shaft Bearing Kit is crafted from high-grade materials to withstand the demanding conditions of off-road and daily driving. The bearing is precision-engineered to provide smooth rotation and long service life, while the seal protects internal components from dirt, moisture, and contaminants. The retaining ring secures the assembly firmly in place, preventing unwanted movement and ensuring consistent performance.

Each component is manufactured with tight tolerances to match OEM specifications, delivering reliable durability and optimal drivetrain efficiency. This attention to detail helps maintain the structural integrity of the rear axle assembly under various driving conditions.

Installation & Fitment

Installation of the Crown Auto Rear Axle Shaft Bearing Kit is straightforward for experienced technicians and DIY enthusiasts alike. The kit is designed as a direct replacement, fitting perfectly onto the rear axle shafts of Jeep Wrangler JK models from 2007 to 2018. No modifications or additional hardware are required, as the kit uses the vehicle’s existing components.

It is important to replace both left and right axle shaft bearings to ensure balanced performance and longevity. Proper installation will restore smooth axle rotation and reduce noise, vibration, and potential drivetrain damage.

What's Included

• Rear axle shaft bearing
• Seal
• Retaining ring

Ideal For

This bearing kit is ideal for Jeep Wrangler JK owners and mechanics who need a reliable, OEM-quality replacement for worn or damaged rear axle shaft bearings. It suits those performing routine maintenance, axle rebuilds, or repairs after off-road use or high-mileage wear. The kit supports maintaining drivetrain performance and vehicle safety for daily driving and rugged terrain.

With over 10,000 different part numbers in stock for Jeep® vehicles from 1942 on up, Crown has the largest stock of replacement parts for Jeep® vehicles, including factory-discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. Crown Automotive also offers an exclusive line of component kits and accessory products.