ARB Air Locker Differential

1993–2010 Jeep Grand Cherokee / 2006–2010 Jeep Commander

RD226

Overview:

The ARB Air Locker Dana 44A 30-Spline differential is a premium traction aid designed to enhance off-road capability for Jeep Grand Cherokee (1993–2010) and Jeep Commander (2006–2010) models. This innovative pneumatic locking differential allows drivers to instantly lock the axle shafts together at the flick of a switch, providing maximum traction in challenging terrain. When disengaged, it functions as a conventional open differential, ensuring smooth on-road drivability without compromising everyday performance.

Ideal for off-road enthusiasts and serious adventurers, the ARB Air Locker delivers superior traction control, enabling safer and more controlled driving over rocks, mud, sand, and other difficult surfaces. Its robust design supports activation at any speed, allowing you to tackle the toughest conditions without hesitation.

Key Features:

Engineered for reliability and ease of use, the ARB Air Locker offers a range of advanced features that set it apart from conventional differentials:

• Instant pneumatic locking system activated via a simple dashboard switch
• Operates at any vehicle speed for on-demand traction control
• Prevents axle shafts from turning independently, maximizing traction
• Steel reinforced, elastomer bonded annular seal designed for extreme temperatures
• Two-piece ultra-durable design with minimal moving parts for enhanced reliability
• Patented timed locking mechanism for high strength and rapid unlocking
• Compatible with both C-clip and non C-clip type axle shafts
• Maintains normal open differential function when unlocked for smooth on-road handling
• Reduces vehicle damage and environmental impact by enabling controlled off-road driving

Construction & Design:

The ARB Air Locker is built with rugged materials and precision engineering to withstand the harshest off-road environments. Its two-piece design minimizes moving components, reducing wear and increasing durability. The steel reinforced, elastomer bonded annular seal ensures reliable operation across extreme temperature ranges, from freezing cold to scorching heat. The internal pneumatic system is designed for seamless integration with the vehicle’s existing drivetrain, providing a robust yet user-friendly locking mechanism.

Installation & Fitment:

This Air Locker is specifically designed for Dana 44A axles with 30 splines and a shaft diameter of 1.31 inches, fitting a wide range of Jeep Grand Cherokee and Jeep Commander models produced between 1993 and 2010. Installation requires an air compressor (sold separately) to operate the pneumatic locking system. The kit includes all necessary components for a straightforward installation, allowing drivers to upgrade their vehicle’s traction capabilities without extensive modifications.

What's Included:

• ARB Air Locker differential unit
• Activation switch for dashboard mounting
• Solenoid valve for pneumatic control
• Air line and bulkhead fitting for air supply connection

Ideal For:

This ARB Air Locker is perfect for Jeep owners who demand superior traction and control in off-road conditions. Whether you’re tackling rocky trails, deep mud, or steep inclines, this differential enhances your vehicle’s capability and safety. It is especially suited for off-road enthusiasts, overlanders, and anyone seeking to improve their Jeep’s performance without sacrificing on-road drivability.

ARB is a globally recognized off-road and overlanding brand that builds hard-use equipment for trucks, SUVs, and adventure rigs. From bumpers, roof racks, and protection gear to its well-known Old Man Emu suspension systems, ARB focuses on durability, fitment, and real-world trail performance for drivers who push beyond pavement.