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04 oil filter question

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Old Mar 4, 2004 | 08:25 PM
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04 oil filter question

does the 04 WRX have the same filter as the 03, becasue the filter i bought at Kragen's was for an 03 since the dont have the 04 listed but it seems to be bigger than the stock one.
Old Mar 4, 2004 | 08:52 PM
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What brand is the filter? You can go to the manufacturers website and see if they supply a different part #.
Old Mar 4, 2004 | 09:23 PM
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Checked Fram's website. i picked up the correct filter. it doesnt really matter anyway, since i couldnt even get the stock filter off.

Last edited by debbid; Mar 4, 2004 at 09:36 PM.
Old Mar 5, 2004 | 04:26 AM
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Yes, the filters are the same but Subaru changed suppliers or something so the part number changed.

The new OEM filters are black, I think that's the only difference. HOWEVER the turbo Impreza filters are smaller than the NA filters so make sure you have a turbo filter.

P.S. filter wrenches can be your best friend.
Old Mar 5, 2004 | 08:10 AM
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Arrow

P.S. filter wrenches can be your best friend.
So can Scoobymods

Look here:

http://www.scoobymods.com/forums/sho...&threadid=3023

Peaty
Old Mar 5, 2004 | 08:56 AM
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since both white and black OEM filters are useable does that go for aftermarket filters as well?

in the scoobymods thread, it says that this fram filter should be used: FRAM OIL FILTER: PH6607, i purchased this fram filter from Kragen's: PH3593A. should i go change to the proper one or will i be ok.

PS: i finally finished the only change after i borrowed a different filter wrench from a friend, which means changing filters would require new oil too.
Old Mar 6, 2004 | 07:54 PM
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Look at the link I posted there is info there
Old Mar 6, 2004 | 08:20 PM
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First time I've seen that mentioned. Not sure what the deal is there. I don't know what the difference would be. The filter gasket and threads are in the same place:

Old Mar 7, 2004 | 07:04 AM
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the new smaller filter is a must for o4 foresters with turbo. they have an oil line that will not let the larger older filter fit this is probably the same for the sti. if the larger filter fits why not use it is not more filter better?

Just because a filter is larger does NOT mean it has better filtering ability. The smaller filter in this case in fact has a larger surface area inside to capture dirt. It's what the filter material is made out of not always the amount of it.

PN 60 filter surface area 760cm2

PN 80 filter surface area 800cm2 (a 5% difference)

Also, the reason they went from the larger filter to the smaller one is the smaller filter gives more clearance from the headers and that keeps the filter itself cooler and prevents cooking the oil from the outside.



As far as leaking due to the difference between the internal part being concave or convex. As long as you have the filter spun on so it grabs all the threads (only about 3 deep) it's not gonna fall off. The only way it will leak is from around the gasket if you have it too loose or over tighten it to where the metal of the filter contacts the oil cooler an starts to distort the base of the filter itself.

I'm just going by what Subaru is saying:

Subaru is stating
that ALL MY2002 and newer -
turbo models only - should use AA080

and all NA (non turbo'd) should continue
to use the AA060 (with the exception of the H6, SVX, Loyale...)

Last edited by Peaty; Mar 9, 2004 at 04:44 PM.



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