Has anyone had the ARB front air locker fitted to there D3/D4 since they have been available. The rear is also available for D3's at this stage, some issue with the D4 has apparently put a hold/stop on the unit for D4s.
I would be interested in any feedback of users who have had it installed and used it in angry.
Unfortunately when I purchased my vehicle in early 2012, it was a vehicle they had in stock and the only option it didn't have that I wanted was the rear e-locker diff. I have also read, that the landrover rear e-diff isn't user selectable like the ARB air locker or Eaton E-locker.
I was quoted by my local ARB store, $2200 fitted including the ARB hi output on board air compressor.
Cheers,
Simon
MY12 D4 TDV6 OL Bullbar, Warn XPS-9.5, BB6 17s - Cooper ST Maxx, MB hitch
2012 KK LE Camper
Master
SubscriberHey Simon,
So when were you quoted that price?
ARB did release the air locker for the D3/4 but then took them off the market due to issues that the local guy wasn't keen to talk about, that was late last year. Have they rereleased them?
regards
Brian
Master
We're getting ready to build two rears and two fronts soon. The units were just shipped in, so it must be back "on" again.
You'll want new bearings to do the job.
Swaggie
Daniel Bongard is one of the senior R&D engineers at arb and is or was a member on here. Best bet is to contact him.
I spoke with ARB Osborne Park about 2 weeks ago, and they can fit the front unit to both D3s' and D4', but the rear is not available for the D4.
Swaggie
SubscriberAs far as the ARB web page goes, the ARB air locker is available for the Discovery 3 to 2009 and Discovery 4 2009 to present, no mention of whether it's front only.
Baz.
Cheers Baz.
2011 Discovery 4 SE 2.7L
1990 Perentie FFR EX Aust Army
1967 Series IIa 109 (Farm Truck)
2007 BMW R1200GS
1979 BMW R80/7
1983 BMW R100TIC Ex ACT Police
1994 Yamaha XT225 Serow
Hi guys,
The Discovery 4 has a differently sized rear diff casing to that of the Discovery 3, and as such the D3 Air Locker will not fit. Initially, it was thought that the D3 locker would be compatible, but fitment confirmation proved otherwise.
Both front differentials are identical, so there are no issues here.
Hopefully that clarifies things a little.
Cheers
David
Swaggie
Apparently the D4 non-e-diff is almost the same as the D3 e-diff.
Master
In a recent episode of TG-USA it appeared to me (from memory) that the LR4 had been fitted with F & R ARB lockers. Development version or something perhaps ? Or faulty recollection on my part ?
Swaggie
Anything is possible - prototype / marketing (was really an e-diff) / or retrofit of a D3 assembly.Originally Posted by Epic pooh
The US is apparently driving D3/4 locker development
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