ARB Air Locker Differential

Jeep Grand Cherokee/Wrangler 91-17 5.2L/4.0L/3.8L/3.6L/2.5L

RD101

Overview:

The ARB Air Locker is the world’s premier traction aid designed to keep your vehicle moving confidently across all terrains and conditions. Engineered for off-road enthusiasts and professionals alike, this pneumatically operated locking differential provides instant, on-demand 100% traction at the flick of a switch. Whether you are navigating rocky trails, mud, sand, or snow, the Air Locker ensures both wheels turn together, maximizing grip and control without sacrificing on-road drivability.

Ideal for Jeep owners seeking enhanced off-road capability, the ARB Air Locker fits a wide range of Jeep models including Wagoneer, Scrambler, Wrangler, Grand Cherokee, and Wrangler JK from 1971 through 2018. Its robust design allows activation at any speed, enabling safer, slower, and more controlled driving in challenging environments.

Key Features:

Designed for reliability and ease of use, the ARB Air Locker offers a host of advanced features:

• Instant pneumatic locking mechanism for 100% traction on demand
• Operates like a conventional open differential when unlocked for smooth on-road performance
• Steel reinforced, elastomer bonded annular seal engineered to withstand extreme temperatures
• Two-piece ultra-durable design with minimal moving parts for maximum reliability
• Patented timed locking mechanism ensures high strength and ultra-fast unlocking
• Activation switch, solenoid valve, air line, and bulkhead fitting included for convenient installation
• Compatible with Dana 30 front axles featuring 27 spline shafts and gear ratios of 3.54 and lower
• Allows activation at any vehicle speed, providing traction when you need it most
• Reduces likelihood of vehicle damage and environmental impact by enabling controlled driving

Construction & Design:

The ARB Air Locker is engineered with durability and performance in mind. Its two-piece design minimizes moving parts, significantly reducing wear and increasing reliability under the harshest off-road conditions. The steel reinforced, elastomer bonded annular seal is specially formulated to endure extreme climatic temperatures, ensuring consistent operation whether in freezing cold or scorching heat.

Built to fit Dana IFS Dana 30 axles with 27 spline shafts, this Air Locker accommodates gear ratios of 3.54 and down, making it a perfect upgrade for a broad range of Jeep models. The robust internal locking mechanism prevents the axle shafts from turning independently when engaged, effectively tying both wheels to the ring gear for maximum traction.

Installation & Fitment:

Installation of the ARB Air Locker requires a compatible Dana 30 axle with 27 spline shafts and gear ratios of 3.54 or lower. The kit includes all necessary components such as the activation switch, solenoid valve, air line, and bulkhead fitting, simplifying the installation process. An air compressor is required for operation but is sold separately.

This Air Locker is specifically designed to fit a wide range of Jeep vehicles, including:

• Jeep Wagoneer (1971–1973)
• Jeep Scrambler (1981–1985)
• Jeep Wrangler (1987–2017)
• Jeep Grand Cherokee (1993–2004)
• Jeep Wrangler JK (2018)

Professional installation is recommended to ensure proper fitment and optimal performance.

What's Included:

• ARB Air Locker differential assembly
• Activation switch
• Solenoid valve
• Air line
• Bulkhead fitting

Ideal For:

The ARB Air Locker is perfect for off-road enthusiasts, trail riders, and anyone seeking enhanced traction and control in challenging terrain. It is especially suited for Jeep owners who demand reliable performance in mud, rocks, snow, and other low-traction environments. By providing on-demand locking capability without compromising everyday drivability, this differential upgrade helps drivers tackle tough trails with confidence and safety.

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.