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Member
Joined: Aug 05 2019
Posts: 6

Hi all,

Looking at the parts book I see that there is a single part number for fuel injectors for all P38 models, regardless of GEMS or Bosch. ERR6600. However I note on other sources these broken down into early (ERR722 for GEMS) and late (ERR6600 for Bosch).

My question is, are they in fact interchangeable? Do I take the parts book at face value, or should I find ERR722 for my GEMS and not grab the ERR6600 which is more readily available.

Thanks,

Member
Joined: Aug 19 2019
Posts: 27

I read that some people were using 5.0 Mustang injectors, but I can't personally verify that they work. If they do, it would probably be a much cheaper option.

Member
Joined: Apr 23 2019
Posts: 223

why mess around ?

https://www.britishparts.co.uk/range-rover-c1/range-rover-p38-c20/fuel-emissions-c148/fuel-injector-land-rover-p6136

Member
Joined: Aug 07 2019
Posts: 35

on the side of the injector is a number, google it and do a comparison , with one being bosch and the other a lucus i doubt if they are directly interchangeable

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Joined: Dec 30 2015
Posts: 3765

I wouldn't know if they are interchangeable but I do know that the O rings are a different size between GEMS and Thor, so I suspect that isn't the only difference. The Thor uses a higher fuel pressure too so I would suspect the flow rate is lower.

Member
Joined: Apr 23 2019
Posts: 223

I think the original premise is wrong though, Lrcat distinctly shows separate part numbers for gems and thor, and I don't know of any other parts book which takes precedence, other than microcat, perhaps

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Joined: Dec 30 2015
Posts: 3765

Lrcat is Microcat only ripped off and hosted on a Russian site. Both Lrcat and Microcat both show ERR722 as up to VIN WA410481, so GEMS and ERR6600 as from VIN XA410482 so Bosch. having looked at the usual suppliers, there doesn't seem that much difference in price between either, all around £50 a pop.

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Joined: Apr 23 2019
Posts: 223

Sure, although Microcat will give you a vin-specific search option, so lrcats a bit dumbed down. Which follows in a fine Russian tradition: Concordski etc

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Joined: Apr 23 2019
Posts: 223

I was just hunting for something else in Rave, and spotted that in General Specs it list the injector for GEMS as Lucas D1000 - in case you can get a better price by searching the Lucas part code...

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Joined: Dec 30 2015
Posts: 3765

D1000 is just a series rather than an actual part number. From here http://users.erols.com/srweiss/tableifc.htm, it looks like the Bosch ones are 0-280-155-787. If you can find the actual part number for a Lucas GEMS injector, you can compare the specs.

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Joined: Apr 23 2019
Posts: 223

Ok, good spot, these Bosch ones are meant to be equivalent of ERR722: 0280-155- 884 - specs are v different from the 787 above, although I'm no injector nerd

Member
Joined: Dec 22 2016
Posts: 284

Just checked a GEMS injector, it has D18306A stamped on the side of it.

Member
Joined: Dec 22 2016
Posts: 284

Google suggests that should be D1830GA.

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Joined: Dec 30 2015
Posts: 3765

Looking on the Island 4x4 site last night for something else, I noticed that they have both GEMS and Thor injectors in stock and the GEMS ones are actually cheaper.

Member
Joined: Aug 07 2019
Posts: 35

(http://StanWeiss-electronic fuel compatability) is this what you are looking for

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Joined: Dec 22 2016
Posts: 284

mad-as wrote:

(http://StanWeiss-electronic fuel compatability) is this what you are looking for
That link is broken..

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Joined: Aug 07 2019
Posts: 35

just put stan weiss in to google

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Joined: Aug 05 2019
Posts: 6

There is some good information on that site.

Member
Joined: Dec 22 2016
Posts: 284

There is, but it doesn't list the gems injector.

Member
Joined: Aug 07 2019
Posts: 35

then look for a Lucas injector flow chart