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ARB Air Locker AAM 11.5 in. 30 Spline Axles (RD139)

$1,050.00

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About the Product:

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 not 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 171501 air tank)

Optional Parts:

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

  • ALSB1 - bracket for mounting a single rocker switch. Manufactured from steel and powder-coated black. (Suitable for a compressor switch) or 
  • ALSB2 - bracket for mounting two (2) rocker switches. Manufactured from steel and powder-coated black. (Suitable for mounting both a compressor and locker switch) or
  • ALSB3 - bracket for mounting three (3) rocker switches. Manufactured from steel and powder-coated black. (Suitable for mounting both a front and rear air locker and a compressor switch.)

Fitting Details:

This part number will fit the following makes/models:

  • GM 2500/3500 2000-06 and
  • Dodge Ram 2500/3500 2003-09

Fitting Instructions & Warranty

For fitting instructions, please download the following PDF: fitting instructions pdf icon


  • Shipping Weight: 20lbs
  • Manufactured by: ARB

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This product was added to our catalog on Friday 28 April, 2017.

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