ARB Air Locker Dana 60 HD 35-Spline (RD167)

The Ultimate Traction Upgrade Stop letting open differentials hold you back. The ARB Air Locker (RD167) is the world's premier traction aid, designed to keep you moving in the toughest terrain.

With the flick of a dash-mounted switch, this system converts your Dana 60 from a standard open differential to a fully locked axle—providing 100% traction to both wheels instantly.

Why Choose the ARB Air Locker?

• On-Demand Control: Drive with the comfort and handling of an open differential on the highway, then lock it instantly for off-road use.

• Instant Engagement: The pneumatically operated system locks at any speed, allowing you to tackle obstacles without losing momentum.

• Built for Abuse: Features a two-piece, ultra-durable design with forged gears and minimal moving parts.

• 5-Year Warranty: Backed by ARB’s industry-leading warranty.

Technical Specifications

• Axle Application: Dana 60 HD (Full Float)

• Spline Count: 35 Spline

• Gear Ratio: 4.10 & Down

• Shaft Diameter: 1.50"

• Position: Rear (or Front on specific builds)

What's in the Box?

• Air Locker Differential

• Activation Switch

• Solenoid Valve

• Air Line & Bulkhead Fittings

• Note: Air Compressor is required for operation and is sold separately.

Vehicle Fitment Summary Fits a wide range of Ford F-250/F-350 Super Duty trucks (1999–2022), Ford E-Series Vans, and select Dodge Ram 2500/3500 models equipped with the Dana 60 HD axle.