• 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.


Required Parts:


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)


Fits on:

  • LandCruiser Prado. LandCruiser 90, 120 &150 Series. Lexus GX. Rear. 2009 on. 8.15" dia. RG. 12 bolt (shimmed).
  • 4Runner, LN61, YN63. Rear. 2010 on. 8.15" dia. RG. 12 bolt (shimmed).
  • Toyota Fj Cruiser. Rear. 2010 on. 8.15" dia. RG. Non-factory locker model

ARB RD193 Air Differential Locker 8", 12 Bolts, 30 Spline

  • 21 lb