ARB Air Locker Differential

1997–2006 Jeep Wrangler

RD113

Overview:

The ARB Air Locker™ for Dana 44 differentials is the ultimate traction solution designed to keep your Jeep Wrangler moving confidently across the toughest terrains. Engineered for Jeep Wrangler models from 1997 through 2006, this air-operated locking differential provides instant, on-demand 100% traction at the flick of a switch. Whether you are navigating rocky trails, muddy paths, or slippery surfaces, the Air Locker ensures both wheels turn in unison, maximizing grip and control.

Ideal for off-road enthusiasts and serious adventurers, the Air Locker enhances vehicle capability without compromising on-road drivability. When disengaged, it functions as a conventional open differential, maintaining smooth handling and reducing driveline wear. This combination of versatility and rugged performance makes the ARB Air Locker a trusted upgrade for Jeep Wrangler owners seeking superior traction and reliability.

Key Features:

Designed with advanced pneumatic technology and robust construction, the ARB Air Locker offers numerous benefits that improve your vehicle’s off-road performance:

• Instant locking differential activated by a simple dashboard switch for maximum traction on demand
• Compatible with Dana 44 axles featuring 33 splines and gear ratios of 3.92 and up
• Steel reinforced, elastomer bonded annular seal engineered to withstand extreme temperatures and harsh environments
• Two-piece design with minimal moving parts for exceptional durability and reliability
• Patented timed locking mechanism ensures high strength and ultra-fast unlocking
• Allows activation at any vehicle speed, enabling safe and controlled driving over challenging terrain
• Maintains normal open differential function when unlocked, preserving on-road drivability and reducing wear
• Includes activation switch, solenoid valve, air line, and bulkhead fitting for complete installation
• Requires an external air compressor (sold separately) for operation

Construction & Design:

The ARB Air Locker is built to endure the rigors of off-road use with a focus on strength and reliability. Its two-piece design minimizes moving parts, reducing the risk of mechanical failure and simplifying maintenance. The steel reinforced annular seal is bonded with elastomer to provide a tight, durable barrier against contaminants and extreme weather conditions, ensuring consistent performance in all climates.

The internal pneumatic locking system replaces traditional mechanical lockers, allowing smooth engagement and disengagement without the need for wheel slip. This advanced design not only improves traction but also extends the life of drivetrain components by reducing stress and wear during operation.

Installation & Fitment:

The ARB Air Locker is a direct fit for Jeep Wrangler models equipped with Dana 44 axles from 1997 to 2006, including the 65th Anniversary Edition (2006), Rubicon (2003–2006), Sahara (1997–2004), SE (1997–2006), Sport (1997–2006), Unlimited (2004–2006), Unlimited Rubicon (2005–2006), and X (2002–2006). Installation requires professional mechanical skills and the use of an air compressor system, which is sold separately.

The kit includes all necessary components for installation except the compressor, allowing you to upgrade your differential with confidence and ease. Proper installation ensures reliable operation and optimal performance on and off the road.

What's Included:

• ARB Air Locker differential assembly
• Activation switch for dashboard mounting
• Solenoid valve for pneumatic control
• Air line tubing
• Bulkhead fitting for secure air line routing

Ideal For:

This ARB Air Locker is perfect for Jeep Wrangler owners who demand superior off-road traction and control without sacrificing everyday drivability. Whether you are a weekend trail rider, a serious rock crawler, or an overland explorer, this differential upgrade provides the confidence and capability needed to tackle challenging terrain safely and efficiently.

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.