• 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:

  • 1990-1997 Toyota Landcruiser HDJ80/81

  • 1990-1997 Toyota Landcruiser HZJ80/81

  • 1993-1997 Toyota Landcruiser FZJ80/81

  • 1996-1997 Lexus LX450

  • 1984-1998 Toyota Landcruiser BJ/HJ70 & BJ/HJ75

  • 1969-1983 Toyota Landcruiser FJ/BJ40 & FJ/HJ45

  • 1968-1979 Toyota Landcruiser FJ55

  • 1981-1987 Toyota Landcruiser FJ60/61 BJ60 HJ60/61

  • 1988-1990 Toyota Landcruiser FJ62

ARB RD142 Air Differential Locker Toyota 8.9", 50mm BRNG

  • 21 lb