Crown Auto Rear Axle Shaft Assembly

2007–2018 Jeep Wrangler JK 3.6L/3.8L

Part #: 68003272AA

Overview

The Crown Auto Rear Axle Shaft Assembly is a direct replacement component designed specifically for select Jeep Wrangler JK models equipped with the Dana 44 rear axle featuring either a standard or Trac-Lok differential. Engineered to meet or exceed OEM specifications, this axle shaft assembly ensures reliable power transfer from the differential to the wheels, maintaining optimal drivetrain performance and vehicle stability. Ideal for Jeep enthusiasts seeking a durable and precise replacement part, this assembly supports both 3.6L V6 and 3.8L V6 engine configurations across model years 2007 through 2018.

Whether you are repairing a worn or damaged axle shaft or upgrading your drivetrain components for enhanced durability, this Crown Auto assembly offers a dependable solution that fits seamlessly into your Jeep Wrangler JK’s rear axle system.

Key Features

This rear axle shaft assembly combines quality materials and precise engineering to deliver dependable performance and longevity. Key features include:

• Compatible with Dana 44 rear axles equipped with standard or Trac-Lok differentials
• 30 spline design for robust torque handling and drivetrain compatibility
• 32 inches in length from flange to shaft end, ensuring exact fitment
• Includes essential components such as retainer, bearing, seal, and ring for a complete installation
• Sold individually; two shafts required per vehicle for full axle replacement
• Direct OEM replacement part designed to maintain factory performance and reliability
• Manufactured by Crown Auto, a trusted brand known for quality automotive components
• Backed by a 12-month warranty for peace of mind

Construction & Design

The axle shaft assembly is constructed from high-strength steel alloy, engineered to withstand the rigorous demands of off-road driving and daily use. Precision machining ensures proper spline engagement and smooth installation, while the included retainer, bearing, seal, and ring provide a secure and leak-free fit within the axle housing. The design maintains the integrity of the Dana 44 axle system, preserving the original equipment’s durability and performance characteristics.

Each component is carefully inspected to meet strict quality standards, ensuring long-lasting service life and resistance to wear, corrosion, and fatigue under various driving conditions.

Installation & Fitment

This rear axle shaft assembly is designed for direct bolt-on installation in select Jeep Wrangler JK models from 2007 to 2018 with Dana 44 rear axles and either standard or Trac-Lok differentials. Installation requires removal of the existing axle shaft and associated components, followed by fitting the new assembly with included hardware. No modifications are necessary, making it a straightforward replacement for experienced mechanics and DIY enthusiasts alike.

Proper installation ensures optimal drivetrain function and vehicle safety. It is recommended to verify compatibility with your specific vehicle configuration before purchase.

What's Included

• One rear axle shaft assembly (left or right side)
• Retainer
• Bearing
• Seal
• Ring

Ideal For

This Crown Auto rear axle shaft assembly is ideal for Jeep Wrangler JK owners who need a reliable replacement part for their Dana 44 rear axle system. It suits those performing routine maintenance, repairing axle damage, or restoring drivetrain integrity after off-road use. The assembly is also well-suited for enthusiasts seeking OEM-quality components to maintain factory performance and durability in their 2007–2018 Jeep Wrangler JK with 3.6L or 3.8L engines.

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.