ARB Toyota 10.5 Inch Air Locking Differential - RD146 |

ARB Toyota 10.5 Inch Air Locking Differential - RD146

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  • ARB 4x4 Accessories | Part Number: ARBRD146
  • Popular Axle Manufacture:Toyota
  • Axle Location:Rear
  • Axle Type:Toyota 10.5 12 Bolt
  • Fitment:Universal Fit
  • Axle Spline:36 Splines
  • Differential Type:Selectable Locker


The ARB Air Locker is a pneumatic locking differential that uses air to facilitate the locking of both axles. This action converts your differential from a conventional open to a full spool type axle supplying 100% power to both wheels to keep you going through the worst terrain. ARB onboard air compressor required to activate Air Lockers. Sold Separately.

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Question & Answers

1 Answered question

Q: Will this work on 2008 tundra 4x4 and is it compatible with the traction system or will I get warning lights. What is the smallest compressor I can use with this and what would install cost be Answer this question

A: Hello Yes this will work on the Tundra with traction system without any lights coming on. The small compressor is part number ARB CKSA12. For the installation prices you would need to call your local store.

Answered by Rody on 11/26/2014


ARB has been manufacturing 4x4 parts for over 40 years. ARB Air Lockers will amplify the traction of your 4x4 on challenging trails. They give the off-road driver what she needs in traction, control and performance. ARB believes in its products so it offers a five year, unlimited mile warranty across the air locker range. ARB 4x4 Accessories includes the suspension system brand Old Man Emu, maker of premium off-road shock absorbers. Old Man Emu premium shocks are developed and tuned specifically for each vehicle application. They come complete with vehicle specific mounting kits for fuss free installation. ARB parts are all developed, engineered and fabricated in-house in Australia. Shop ARB 4x4 Accessories Now