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

3 Answered questions

the description says 'to fully locked or spool' what is the difference between fully locked and spool

Asked by henry from fountain valley on

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 from fountain valley on

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

Asked by Seth from Fayetteville, NC on

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 from Fayetteville, NC on

I have a 3500 ram 4x4 Laramie longhorn crew cab long bed with a 3.42 gear ratio and I have been lead to believe the front Diff. has 31 or 35 Splines. Where the locker you have shown me is 33 spline which one is correct. Thank You David

Asked by David from Springville Ca. on

Hello David. The ARB 4x4 Accessories AAM 9.25in./9.5 in. 33 Spline Air Locking Differential, part # ARBRD197, is correct for the Ram 3500 as long as it is 2003 or newer. Otherwise if it is an older model it will have the Dana 60 front axle with 32 splines. Thank you

Answered by John from Springville Ca. on


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


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