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Trigger82
29th August 2016, 07:46 PM
Ok, after browsing this site looking for the oil filter part number as I cant see a number on the existing filter I have found 2 completely different parts.

Here is one number listed which is Isuzu 8943212191
Which crosses to a Donaldson P550422

Then have found Z333, LF3522
Which crosses to a Donaldson P550389

Both the Isuzu, Ryco and Fleetgaurd numbers where found on this site but are completely different sizes when crossed over to Donaldson.

Or is it a case of there are actually two different filters on these beasts?

Chris078
29th August 2016, 08:37 PM
http://www.aulro.com/afvb/coil-sprung-military-land-rovers/234156-perentie-service-checklist.html#post2514704

Trigger82
29th August 2016, 08:58 PM
That's actually where I got the Isuzu number from was that drop box file

heres the page with the other numbers
http://www.aulro.com/afvb/isuzu-landy-enthusiasts-section/65358-4bd1-part-numbers-reference.html

isuzurover
29th August 2016, 10:40 PM
...

Or is it a case of there are actually two different filters on these beasts?

Bingo. Or actually 3 if you include the civvie version.

The 4x4s AFAIK had a large single upright spin on filter. The Z333 and equivalents is the full flow filter in the dual filter setup - which was fitted to trucks - and maybe 6x6(?)

Chris078
30th August 2016, 11:21 AM
My comment that went along with that link disappeared for some reason.
Those numbers in that post from me are correct and what I have used to order parts.

The 4x4 has a single oil filter, the 6x6 has a dual filter setup.

Trigger82
30th August 2016, 06:16 PM
Thanks again,
So I'll run the P550422 which is the equivalent to Isuzu 8943212191

BadCo.
1st September 2016, 05:43 PM
Thanks again,
So I'll run the P550422 which is the equivalent to Isuzu 8943212191

I have used this part number (P550422) from Dondaldson and have issues with the anti-drain back valve. It seems a bit hit and miss though as others haven't had this problem.

Trigger82
1st September 2016, 06:24 PM
Cheers, will keep an eye on the light time after startup.
Bit strange that their a hit and miss though

mark2
7th September 2016, 09:50 AM
I have used this part number (P550422) from Dondaldson and have issues with the anti-drain back valve. It seems a bit hit and miss though as others haven't had this problem.


Same issue here with a Fleetguard - oil light stayed on at start up for a lot longer than I'd like due to the ADBV not doing its job.
Ditched the new filter and fitted an Isuzu filter and all is good again. Even after a few weeks of non use, the Isuzu filter will hold its oil.