ARB AIR LOCKER GM 11.5" AAM 30 SPLINE 3.42-5.13 (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.

These parts are required for installing this product on your vehicle.

• CKSA12 air compressor (extremely compact, operates up to 2 air lockers, not intended for oversized tire inflation) or 
• CKMA12 air compressor (compact, operates up to 2 air lockers and will inflate tires when paired with a 171302) or
• CKMTA12 air compressor (still compact, operates up to 2 air lockers when paired with 171503, will inflate tires AND run air tools when paired with a 171302 and will run even faster when paired with 171501air tank)