ARB GM 10.5 Inch 14 Bolt 4.10 Ratio Down Air Locking Differential - RD114

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  • ARB 4x4 Accessories | Part Number: ARBRD114
  • Popular Axle Manufacture:GM
  • Axle Location:Rear
  • Axle Type:GM 14 Bolt 10.5 Inches
  • Fitment:Universal Fit
  • Axle Spline:30 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.

Customer Reviews

5.0 5.0
2 Customer ratings
5.0 ARB Locker

[...] the locker is the best. Just needs a stronger box.

from Warner Robins, Ga |


Question & Answers

2 Answered questions

Q: Will this work for 4.56 ? Answer this question

A: Thanks for the inquiry Yenkocrew, the ARB 4x4 Accessories GM 10.5in. 14 Bolt 4.10 Down Air Locking Differential part # ARBRD114 will work with a 456 thick gear only IE part # G/22-2023-456X.

Answered by RK on 07/25/2015

Q: Do you guys have one for 5:38 gears Answer this question

A: Hello Axle If you have aftermarket thick gears this one will work. If you have a factory thin gear you would need to by a thick gear set for it to work. Thanks

Answered by Rody on 07/10/2015


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 you need 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