ARB Air Locker Differential

1997–2006 Jeep Wrangler

RD109

Overview:

The ARB Air Locker is the world’s premier traction aid designed to keep your Jeep Wrangler moving confidently through the toughest off-road conditions. This pneumatically operated locking differential provides instant, on-demand 100% traction with the simple flick of a switch, allowing both wheels on the axle to turn in unison. Ideal for serious off-road enthusiasts and performance drivers, the Air Locker enhances vehicle control and stability by preventing wheel slip and maximizing traction without compromising on-road drivability.

Specifically engineered for Dana 44 axles with 35 spline shafts and gear ratios of 3.92 and up, this Air Locker is a perfect upgrade for Jeep Wrangler models from 1997 through 2006. Whether you’re tackling rocky trails, mud, sand, or snow, the ARB Air Locker delivers reliable, durable performance to help you conquer challenging terrain safely and efficiently.

Key Features:

The ARB Air Locker combines innovative technology with rugged construction to provide superior traction and reliability. Key features include:

• Instant pneumatic locking system activated by a simple dashboard switch
• Allows activation at any vehicle speed for maximum versatility
• Prevents internal differential gears from rotating independently, ensuring both wheels turn together
• Operates as a conventional open differential when unlocked for smooth on-road handling
• Steel reinforced, elastomer bonded annular seal designed to withstand extreme temperatures and harsh environments
• Patented timed locking mechanism for ultra-fast engagement and disengagement
• Minimal moving parts for enhanced durability and reliability
• Compatible with Dana 44 axles featuring 35 spline shafts and gear ratios of 3.92 and higher
• Requires an air compressor for operation (sold separately)

Construction & Design:

The ARB Air Locker is engineered with a two-piece design that emphasizes strength and durability. Its robust construction features high-quality steel components and a reinforced annular seal bonded with elastomer to resist wear and environmental damage. This design minimizes moving parts, reducing the risk of failure and ensuring long-lasting performance even under extreme off-road conditions. The pneumatically operated locking mechanism is housed within the differential, allowing seamless integration without compromising the axle’s structural integrity.

Installation & Fitment:

The ARB Air Locker is designed for direct fitment on Jeep Wrangler Dana 44 axles with 35 spline shafts and gear ratios of 3.92 and up. Installation requires removal of the existing differential and replacement with the Air Locker unit. The kit includes all necessary components for activation, but an air compressor is required and sold separately. Professional installation is recommended to ensure proper setup and optimal performance.

What's Included:

• ARB Air Locker differential unit
• Activation switch for dashboard mounting
• Solenoid valve
• Air line tubing
• Bulkhead fitting

Ideal For:

This ARB Air Locker is ideal for Jeep Wrangler owners who demand superior traction and control in off-road environments. It is perfect for trail riders, rock crawlers, and overlanders who require reliable, on-demand locking differentials to navigate challenging terrain safely and efficiently. The Air Locker also benefits drivers who want to maintain excellent on-road drivability without sacrificing off-road capability.

Fitment Details

• Jeep Wrangler 65th Anniversary Edition (2006)
• Jeep Wrangler Rubicon (2003–2006)
• Jeep Wrangler Sahara (1997–2004)
• Jeep Wrangler SE (1997–2006)
• Jeep Wrangler Sport (1997–2006)
• Jeep Wrangler Unlimited (2004–2006)
• Jeep Wrangler Unlimited Rubicon (2005–2006)
• Jeep Wrangler X (2002–2006)

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.