Easter Bank Holiday: Next Working Day deliveries for Tuesday 22nd of April must be placed by 2.30pm Wednesday 16th April more info

ARB Diff Locker

Part No. RD127 Category
£830.86 (£997.03 inc VAT)

Front & Rear

Series 1, 2, 2A & 3 – 1948 – 1985 (front & rear) 2,3

Defender 90 – 1984 – 1993 (front) 1

Defender 90 – 1983 – 1993 (rear) 1,2

Defender 110/130 – 1983 – 1993 (front) 1

Discovery 1 – up to 1993 (front & rear) 1

Range Rover Classic – up to 1992 (front & rear) 1,4

Low stock - 5 remaining

5 - Available

There are a multitude of different diffs available for your Land Rover – read about the different types of locking diffs

Shaft Description – Rover type
Shaft Diameter – 28.2 (1.11")
Splines – 10
Ratio – 4.7

Air Locker locking differentials allow you to tackle the toughest terrain.

Ultra durable and extremely strong – only the highest quality materials used in construction. Air Locker locking differentials allow you to tackle the toughest terrain. As the world's premier traction aid, ARB Air Lockers keep you moving in all conditions.

Notes
1 If vehicle was manufactured during 1993, check spline count.
2 Air Locker not available for vehicles equipped with high load option.
3 Ring gear spacer required. Longer ring gear bolts (not supplied) are also necessary – (Land Rover part no. 576521).
4 When an DA4191 Air Locker is to be installed in Range Rovers manufactured prior to 1980 (approx.), special carrier bearings (No. K11300/K11162) may also be necessary – Land Rover part no. RTC3426.
5 Some vehicles have crown wheel bolts which cannot be reused and must be replaced. Consult service manual.
6 P38A is most commonly found in traction control equipped vehicles. Identify P38A type diff by large 205mm [8.07"] flange diameter. P38A was not used on North American delivered Discoverys – use DA4193.

Available in the UK only. 

Additional information

All items available on vitesse-ltd.co.uk can be fitted by our highly-skilled team, at any of our centres. To book fitting at a Vitesse location, please contact us via sales@vitesse-ltd.com

Unsure if this is the right part for your vehicle?

Fill out the form below and one of our knowledgeable team will assess your vehicle details and let you know if you have the right product.

The best way for us to determine if this part is correct for your vehicle is using the Vehicle Identification Number. If you don’t know the VIN, please fill in all other information as completely as possible.

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