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Old 05-28-2012, 12:39 PM   #1
Rich10
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Member#: 14934
Join Date: Feb 2002
Chapter/Region: Tri-State
Location: Long Island
Vehicle:
2002 WRX
WRB

Default Oil Filter for 2002 WRX

I have a 2002 WRX. I got a Royal Purple oil filter as part of a Royal Purple promotion. The product number for the oil filter is 10-2876. When I look at the Royal Purple website, this is the filter for the 2004 WRX. They don't show a product number for the 2002 WRX.

Is there a different filter for the 2002 WRX? Does the 2002 and 2004 WRX require a different filter?
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Old 05-28-2012, 01:59 PM   #2
Luxter
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San Remo

Default Filters

Hi Rich,
The filters are the same 2002 - 2004 WRX as long as it is WRX, not STI.
I was I believe the 2004 STI that required physically smaller filter (exhaust headers were the culprit) and Subaru made it all the same with a new filter for WRX and STI at the expense of its size.
Cheers,
=L=
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Old 05-28-2012, 02:33 PM   #3
Rich10
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Default

Doing some more research, it seems like the 2004+ model years got a smaller filter due to header/heat shield clearance, but that the 2002 could use the 2004+ filter. Could someone confirm this or tell me that I have it wrong?

Thanks,
Rich
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Old 05-29-2012, 12:26 AM   #4
silverstreak02
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Silver

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I have an 02 WRX and it takes the same filter as my brother's 05, so you should be good to go!
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Old 12-18-2013, 07:34 AM   #5
laughingman
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Exclamation Rolled the dice...

Breathing life into this post...it's alive!

Based solely on this post I ordered the 10-2876 for my 03 WRX (I know 02 and 03 are identical, and everyone here said it will fit your 02). Amazon has a deal right now to get a free RP filter with the purchase of a 5 quart bottle of oil. Easy sell, I just hope the filter fits. The Amazon fitment guide says it won't fit. ^^ I'm trusting NASIOC over Amazon fitment guide...was I wrong to do that?
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Old 12-18-2013, 07:43 AM   #6
laughingman
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Thumbs up Silly me...

I just realized I could compare the models on autozone's website. I plugged in both the 04 and my 03 and all the same filters came up...mystery solved. I'll email Amazon and RP about their silliness, but I am sure at least RP already knows.
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Old 12-19-2013, 12:23 AM   #7
laughingman
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Unhappy As I thought...

Royal Purple basically forwarded me an old email:

"The filter spec for the early/mid 2000s Subaru (2.0L and 2.5L) lists a bypass valve pressure of 23psi. We do not offer a filter with such a high bypass. Functionally, there is no problem using the 10-2876 or 10-2867 (if the length will fit), but these filters do not technically meet the Subaru spec. This is why we do not list a direct replacement filter; it is not a typo or oversight."

Looks like it will work fine, but technically isn't the correct filter. I wonder what that will do...running one without the correct bypass psi?

Last edited by laughingman; 12-19-2013 at 12:53 AM.
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Old 12-19-2013, 12:49 AM   #8
laughingman
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Cool Done!

I wish I had this kind if time. Awesome resource:

http://www.subaruforester.org/vbulle...0/#post1103007

Looks like the RP bypass PSI starts at 11 and is fully open at 17. I've been running the Fram extended or double guard all these years which is apparently 10 psi. Looks like I picked myself a whole basket of whoopsy daisies! At least this next filter change will be a step up. In the future I will find a filter that meets the 23 psi standard.

This has been educational.
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Old 12-19-2013, 01:23 AM   #9
runner19
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I run the black OEM filter because for this issue.

And I have a shimmed 11mm oil pump on WRX forged engine.
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Old 12-19-2013, 01:25 AM   #10
white guys wrx
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& 02 WRX

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this has been over many many times OEM filter is the best. OEM Crush pin is the best. If you get any aftermarket filer its going to be 20-50% larger in size and fit like **** and leak.

Royal purp oil also... burns fast :-s unless if your tracking the car run 5w40 castrol full syn or rotella + nutella <3
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Old 12-19-2013, 12:31 PM   #11
laughingman
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Wink No need to argue...

Quote:
Originally Posted by white guys wrx View Post
this has been over many many times OEM filter is the best. OEM Crush pin is the best. If you get any aftermarket filer its going to be 20-50% larger in size and fit like **** and leak.

Royal purp oil also... burns fast :-s unless if your tracking the car run 5w40 castrol full syn or rotella + nutella <3

I respect your opinion, and I am sure many people share it, but I have not experienced either of the conditions you mentioned. Never has my after market filters 'fit like ****' or 'leaked,' and I have not experienced 'RP burning faster.' That's just my experience.

Does the OEM filter use a paper media? The RP one uses a synthetic media that they claim is better than paper and provides better flow characteristics. Anyway, it clearly doesn't match the spec, so in that respect you would have to say OEM is better. I'm getting the RP filter for free, so I'm going to use it. It has a better spec than what I have been using anyway. Next time I will trade up to one that meets the 23 psi spec, but I can almost garuntee it won't be OEM. Why you might ask? For the same reason I bought Bosal instead of SPT. I don't pay for stamps (unless it turns out to be the only filter that matches the spec., in that case, I suppose I don't have a choice).

For the record...the point was to show that this RP filter will indeed fit an 03, and it does.

End of line.

Last edited by laughingman; 12-19-2013 at 12:38 PM.
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Old 12-22-2013, 01:00 PM   #12
Supraru
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All subaru 4 cylinders take the same exact oil filters minus the new chained 4 cylinders. End of thread. There is no reason to babble back and forth over pretty general knowledge. Not using a subaru filter is stupid. If you're going to use an aftermarket filter at least make sure it meets factory specifications. The company went with these specs for a reason. If you are just a cheap skate and can't afford factory subaru filters that are 7$ a pop then maybe you should reconsider your career choices.
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Old 12-25-2013, 08:00 PM   #13
white guys wrx
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Quote:
Originally Posted by Supraru View Post
All subaru 4 cylinders take the same exact oil filters minus the new chained 4 cylinders. End of thread. There is no reason to babble back and forth over pretty general knowledge. Not using a subaru filter is stupid. If you're going to use an aftermarket filter at least make sure it meets factory specifications. The company went with these specs for a reason. If you are just a cheap skate and can't afford factory subaru filters that are 7$ a pop then maybe you should reconsider your career choices.

Thank you.

- @ laughingman

I have owned many subarus. All were the same with oil filters and crush pins. Believe me, I attempted to use aftermarket filters that came "free" with the buy 5 quarts get a filter free but having to check my oil filter if its leaking was not worth it.
Next time you are under your car look how close your aftermarket filter is to your header. Now, think.. My headers are smoking hot? Is my oil suppose to be that hot? No.

I took a side by side comparison picture of OEM filter vs an aftermarket filter and you literally could fit the OEM inside of the aftermarket filter. Everything is larger on the aftermarket filters.


Thanks for your post my man, I would love to have you check your filters after your next oil change. It really does make a huge difference..
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Old 12-25-2013, 11:50 PM   #14
Uncle Scotty
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buying and using rp oil, aka purple kiddie f00-foo juice, was yer first mistake

and the purolator 14460 filter is yer best bet for a filter for a bugeye
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Old 12-26-2013, 12:51 AM   #15
subi400
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Default

Quote:
Originally Posted by Uncle Scotty View Post
buying and using rp oil, aka purple kiddie f00-foo juice, was yer first mistake

and the purolator 14460 filter is yer best bet for a filter for a bugeye
The above in bold is 100% correct. I also run this oil filter on the motors in my 96 imp wagon and my 98 L sedan. Haven't had one issue. Many other people have used this filter with great success. It also has the CORRECT bypass spec as well just like the OEM blue/black filter does.

For the oil, anything royal purple is a waste for a subaru motor as there are cheaper better oils to use. If someone here thinks that isn't then they have a big problem and don't know jack about what they think they know. Been proven here and other subaru sites many times over... right Scotty
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Old 12-26-2013, 01:59 AM   #16
Uncle Scotty
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i dont know nuffin....
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Old 12-26-2013, 02:23 AM   #17
vicious_fishes
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bypass spec = at what pressure oil is no longer bypassing the filter yeah?
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Old 12-27-2013, 04:20 PM   #18
subi400
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Quote:
Originally Posted by vicious_fishes View Post
bypass spec = at what pressure oil is no longer bypassing the filter yeah?
By wording it backwards yes. Or, once the oil pressure across the filter media reaches that bypass spec, then the valve will open and close very quickly, bleeding off the pressure then closing once pressure goes back down just below that spec. Make sense?

To the OP, either the blue OEM filter or the Purelator PureOne PL14460 oil filter the yellow one or white one will do fine for your engine. Remember to fill the filter with oil before putting it on.

~Josh
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