ARB Air Locking Differentials - ARB Air Compressors

We stock ARB Air Compressors and Air System Components and Inflation Accessories

ARB Air Lockers require a reliable source of compressed air to operate. ARB offers several different compressors suited to the task. From the Compact CKMA12, designed as a purpose-built compressor for air lockers only, to the Twin Cylinder powerhouse capable of running air tools, ARB has the air compressor for the job. Portable versions of the compressors are also available for tire inflation and other tasks.

West Coast Differentials has most ARB Air Compressors, Inflation Tools and System Components in stock, ready to ship out the same day!


ARB Air Locker Mini Air Compressor

ARB Air Locker Activation System (CKSA12)

Designed specifically for Air Locker activation and sealed for moisture and dust resistance, this compact on-board compressor comes with a full wiring loom for simplified installation and plug-in connectivity to Air Locker control solenoids. Despite being compact in size, the Air Locker Activation System is built from quality components for quiet operation and extra long life and is suitable for running on the 12V accessory supply for most 12V and 24V vehicles due to its low current draw.

  • Specifically designed to activate up to two ARB Air Lockers
  • Small size with a multi-position mounting bracket
  • Sealed for moisture and dust resistance
  • Simplified power harness allows for versatile positioning



ARB Air Locker Air Compressor High Performance Medium Size

ARB High Performance 12 Volt Air Compressor (CKMA12)

A step up from the CKSA12, This model is designed to be permanently mounted. Suitable for activating Air Lockers, inflating tires and more.

  • Sealed for moisture and dust resistance
  • Teflon-impregnated carbon fiber piston seal for maximum trouble-free life
  • Anodized mounting bracket dissipates motor heat and allows compressor to be repositioned 180 degrees on vehicle mounted models
  • Quality components for quiet operation and extra long life
  • Constructed entirely of lightweight, high strength engineering grade materials
  • Over-pressure safety valve equipped
  • Motor is internally thermal protected against extreme temperature damage
  • Heavy duty maxi-fuse equipped for professional in-line circuit protection
  • On-board model available in either a 12V or 24V configuration

ARB Medium Size Compressor Kit

Kit Includes:

  • Fully assembled and tested air compressor (12V or 24V).
  • Complete wiring loom w/Air Locker solenoid plug-in terminals.
  • Pressure Switch, Relay and Automotive OEM quality compressor isolating switch.
  • Relocatable splash resistant air filter with washable high-flow sintered bronze filter cartridge.
  • Mounting bolts and washers.
  • Comprehensive photo illustrated installation guide.


Approximate inflation times (minutes/tire)

  • 31×10.5-R15    0-30 psi – 2:34   15-30 psi – 1:11
  • 33×12.5-R15    0-30 psi – 3:53   15-30 psi – 1:45
  • 35×12.5-R15    0-30 psi – 5:15   15-30 psi – 3:00



ARB Air Locker Twin High Performance Air Compressor

ARB Twin Air Compressor (CKMTA12)

The CKMTA12 is ARB’s maximum performance, twin motor, dual cylinder compressor. Suitable for activating Air Lockers, operating air tools and inflating tires in excess of 37″.

  • 100% Duty-cycle
  • Includes wiring harness, pressure switch and dash switch.
  • 6.16 CFM provides rapid inflation of small, medium and large tires.
  • Suitable for air tools rated up to 3 CFM @ 90 PSI continuous supply.
  • Air tools rated higher than 3 CFM @ 90PSI require an additional air tank for practical use.

ARB Twin Air Compressor Kit
Kit Includes:

  • Fully assembled and tested air compressor (12V or 24V).
  • Complete wiring loom w/Air Locker solenoid plug-in terminals.
  • Automotive OEM quality compressor isolating switch.
  • 2 x relocatable splash resistant air filters with washable high-flow sintered bronze filter cartridges.
  • Mounting bolts and washers.
  • Comprehensive photo illustrated installation guide.


Approximate inflation times (minutes/tire)

  • 33×12.5-R15    0-30 psi – 2:06   15-30 psi – 0:55
  • 35×12.5-R15    0-30 psi – 2:18   15-30 psi – 1:00
  • 37×12.5-R17    0-30 psi – 2:47   15-30 psi – 1:40


ARB Air Locker High Performance Portable Air Compressor

ARB Portable High Output Air Compressor (CKMP12)

This portable 12V air compressor comes in a durable polypropylene carry case and uses quality components for quiet operation and extra long life.

  • Engineered to suit any adventure
  • Based on the same motor as the High Performance on-board model (CKMA12)
  • Comes with a 20 ft. air hose, battery clip power harness and all the necessary fittings to inflate tires or miscellaneous leisure gear.

ARB Air Locker Twin Portable Air Compressor

ARB Twin Portable Air Compressor

  • Compact sized air source that has the ability to create a high volume of air for large tires and pneumatic tools applicable in both recreational and industrial markets.
  • Ultra-compact twin motor, dual cylinder design makes it the highest flowing compressor of its size.
  • Integrated one gallon aluminum air tank.
  • Sealed cooling fan dissipates heat, allowing for 100% duty cycle
  • Mounted in a waterproof carry case.
  • Comes with a 20ft. air hose and battery clip power harness.
  • 12 and 24V models available.



We stock a wide selection of accessories and system components as well as replacement parts for ARB Air Lockers and On-Board air systems. Inventory includes Air Line, Fittings, O-Rings, Pressure Switches, Solenoids, Seal Housings, Switches and more. Give us a call, we probably have it!


Pump Up Kit for ARB Air Compressors (171302)

Standard on the portable compressor kits, the Pump Up kit is an optional accessory for the vehicle-mounted range of ARB Air Compressors. Incorporating quick couplings for quick mounting to ARB Air Compressors and Air Accessories the kit includes a quality 20ft air hose, an air accessory kit and a T-piece for inline connection of an air chuck and pressure switch.



ARB Air Compressor Manifold Kit (171503)

Designed to work seamlessly with ARB’s maximum performance on-board compressors, the Air Locker® Manifold Kit enables easy installation of Air Locker® solenoids to an air source such as a compressor or regular gas bottle. With a working pressure of 150Psi (1030kPa), the manifold kit incorporates multiple ports for use with ARB’s Pump Up kit, as well as mounting brackets, and a Teflon stainless steel braided hose designed to cool air supply for tire inflation.




ARB Tire Inflator with Gauge (ARB605US)

Designed for quick and accurate tire inflation with an in-line gauge, the ARB Inflator can be fitted to ARB compressors with the US standard fitting, or the fitting can be removed and retrofitted with any air fitting using 1⁄4 NPT thread.Features:

  • Compatible with ARB Air Compressors
  • Easy to read dial with dual scale PSI/Bar increments
  • Quality bronze bourdon tube design
  • Fully geared solid brass precision movement
  • Protective rubber gauge guard
  • Air bleed button for deflating
  • 13″ stainless braided flexible hose
  • Clip on chuck
  • 1⁄4 NPT US standard male air fitting
  • Internal air shut off valve


ARB Air Locker Parts

We stock a selection of common ARB Air Locker components and replacement parts, including Seal Housings, Switches, Solenoid Valves, Pressure Switches, Airlines, Fittings and more. Give us a call….we can almost always help!

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For the fastest service, call our Differential Parts Experts at (800) 510-0950 for immediate assistance. We are available to help Monday thru Friday from 8 AM to 5 PM Pacific Standard Time, and most orders placed by 4 PM ship out the SAME DAY!

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