ARB RD163 Air Locker

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Estimated delivery: UK stock 24–48 hours; EU stock 5–7 working days. Stocked bumpers around one week; made-to-order bumpers around 3–4 weeks. Special-order manufacturer lead times are confirmed with you before ordering. These are estimates; check the item-specific availability and delivery guide.

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ARB RD109 Air Locker – Dana 44, 35 Spline 3.92+

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ARB application chart · ARB service and parts manuals

Description
Reviews

Fitment and specifications

ARB part number RD163
Axle specification Dana 60
Axle shaft splines 30
Ratio 4.10:1 and numerically lower
Operation Pneumatic, selectable differential lock

ARB’s service reference specifies a 4.10-and-lower carrier. Its vehicle chart also shows 4.30-and-lower applications. Confirm the carrier and gearset before ordering.

Vehicle application examples

Chevrolet 2500 Series – rear axle · To 1974. Confirm axle specification.
Chevrolet Suburban – rear axle · To 1974. Confirm axle specification.
GMC 2500 Series – rear axle · To 1974. Confirm axle specification.
Jeep J20 – rear axle · 1974–1988. Confirm axle specification.
Jeep J30 – rear axle · 1974–1988. Confirm axle specification.
Dodge Ram – 2500 · front axle · 1994–2002. Confirm axle specification.
Dodge Ram – 3500 · front axle · 1994–2002. Confirm axle specification.
Ford F-250 – F-Series · rear axle · 1975–1984. Confirm axle specification.
Ford F-350 – F-Series · rear axle · 1973–1979. Confirm axle specification.
Toyota Land Cruiser – 40 Series · rear axle. Confirm axle specification.

The catalogue image illustrates the ARB Air Locker range. Confirm the exact axle before ordering.

Related equipment

ARB Air Locker Manifold Kit

Frequently asked questions

How do I confirm that RD163 fits my vehicle?

ARB’s service reference specifies a 4.10-and-lower carrier. Its vehicle chart also shows 4.30-and-lower applications. Confirm the carrier and gearset before ordering.

Does this Air Locker require a compressor?

Yes. Use a compatible onboard air supply. A compressor is purchased separately.

Can I fit it to the front or rear axle?

Use it in the axle position specified for your differential and vehicle. Engage a front locker only off highway.

How do I check the gear ratio?

Check the axle tag or verify the crown-wheel and pinion tooth counts. Confirm the carrier break with your installer.

Do I need a specialist installer?

Differential fitting requires the correct tools, bearing preload and backlash settings. Use a differential or axle specialist.

What information should I send if I am unsure?

Send your vehicle year, axle position, axle identification, spline count and ratio. Include whether the axle is original or has been swapped.

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