ARB AAM 9.25 Inch/9.5 Inch 33 Spline Air Locking Differential - RD197 |

ARB AAM 9.25 Inch/9.5 Inch 33 Spline Air Locking Differential - RD197

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  • ARB 4x4 Accessories | Part Number: ARBRD197
  • Popular Axle Manufacture:American Axle Manufacturing
  • Axle Location:Front
  • Axle Type:Chrysler 9.25 Inches
  • Fitment:Universal Fit
  • Axle Spline:33 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

6 Answered questions

Q: Will this work for the front of a 2018 GMC 2500HD L5P? I believe it is a 9.25 AAM differential. Answer this question

A: The ARBRD197 will not fit the 2011 and newer AAM 9.25 IFS front diff. We do not have a traction device to offer for 2011 on up.

Answered by Kelly from 4WP Corporate Headquarters on 07/06/2021

Q: Will this fit a 14 bolt 9.5"? Answer this question

A: No that is for a front 9.25

Answered by Kelly from 4WP Corporate Headquarters on 06/21/2021

Q: The earlier H2s front used a spacer between the cross pin and the side gears for the C-clips on the axle shafts and the later H2s had the C-clips in a different location and different side gears, does this matter for the RD197? Answer this question

A: No it doesn't matter.

Answered by Kelly from 4WP Corporate Headquarters on 12/02/2020

Q: the description says 'to fully locked or spool' what is the difference between fully locked and spool Answer this question

A: Hello Henry, the ARB 4x4 Accessories AAM 9.25in./9.5 in. 33 Spline Air Locking Differential part# ARBRD197 will fully lock when activated which makes it like a spool. there is no give to either side. Thank you for your question.

Answered by mikey on 02/27/2015

Q: 2014 RAM 3500 Laramie SRW What are the peripherals needed for install front and rear. ie air lines, manifold, fittings... Also, I would want a professional to install (4wheelparts) Thanks, Seth Answer this question

A: Hello Seth We don't have a listing for the new AAM 11.8 rear axle as of yet. I have a call into ARB to see if there are any updates or eta's. Thanks

Answered by Rody on 01/20/2015


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 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