ARB RD188 Air Locker Locking Differential

The ARB RD188 Air Locker is a premium locking differential designed to deliver maximum traction in the most challenging off-road conditions. Engineered as the world's leading traction aid, this air-activated locking differential ensures both wheels on an axle turn together, preventing wheel spin and keeping you moving through mud, sand, snow, and rock.

Complete Air Locker Kit Includes:

• Replacement differential housing with integrated air locker mechanism
• Dash-mounted activation switch for on-demand engagement
• Heavy-duty solenoid valve for reliable air pressure control
• Air line with bulkhead fittings for secure installation
• All necessary hardware for complete installation

Key Features:

• On-demand locking capability—engage only when you need it
• Seamless activation and deactivation while driving
• No impact on fuel economy or tire wear during normal driving
• Proven reliability in extreme conditions worldwide
• Maintains full street manners when unlocked

ARB Air Lockers provide the ultimate advantage for serious off-road enthusiasts, combining the drivability of an open differential with the traction of a fully locked axle at the flip of a switch. Whether you're rock crawling, trail riding, or recovery operations, the RD188 delivers confidence-inspiring performance when traction matters most.