ARB Air Locker 11.5" axles '01 & UP GM Trucks, '03 & UP Dodge Trucks [rd139]

Air locker locking differentials allow you to tackle the toughest terrain. The world's premier traction aid, ARB air lockers keep you moving in all conditions.

A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.

Please note: Not all units are supplied with replacement carrier bearings.