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Old 07-03-2003, 08:45 PM   #1
markpaco
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Default Ever use a Honda filter on a Subaru?

I am a long time Honda owner gone Subaru owner. I have a bunch of Honda filters and I noticed that the Subaru's call out for the same filter (PH3593A). With that understood, could I then use a OEM Honda filter on my Subaru? I used to work at Jiffy Lube a while back and we would use Purolator L14460 and were told not to use PH3593As because the thread engagement was not as much as the L14460. But all the aftermarket manufacturers (FRAM, etc) say that they are the same. So what's the deal?
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Old 07-03-2003, 09:11 PM   #2
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Don't harm your STI like that!!! Sell those to some other honda owner and get oem filters.

...in my daze thought u said fram filters, anyway maybe honda makes a decent filter too, but being me, i'd just play it safe....

Last edited by Ruff; 07-03-2003 at 09:25 PM.
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Old 07-03-2003, 09:11 PM   #3
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One of the differences that I noticed when comparing filters is that the Honda fitment has an anti-drainback valve that we don't need on the Subaru. Don't think that would hurt anything. Don't know about the thread engagement, though.
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Old 07-04-2003, 12:20 AM   #4
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What's the PL24458 listed application? Never bothered to look since I found a Pep Boys that would actually order PL14460 for me.
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Old 07-04-2003, 04:12 AM   #5
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Quote:
Originally posted by Ruff
Don't harm your STI like that!!! Sell those to some other honda owner and get oem filters.

...in my daze thought u said fram filters, anyway maybe honda makes a decent filter too, but being me, i'd just play it safe....
what's wrong with using honda filters/? i use them at every oil change, and why don't you compare a FilTech filter to a fram and see who makes the better filter.

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Old 07-04-2003, 08:24 AM   #6
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Default Re: Ever use a Honda filter on a Subaru?

Quote:
Originally posted by markpaco
I am a long time Honda owner gone Subaru owner. I have a bunch of Honda filters and I noticed that the Subaru's call out for the same filter (PH3593A). With that understood, could I then use a OEM Honda filter on my Subaru? I used to work at Jiffy Lube a while back and we would use Purolator L14460 and were told not to use PH3593As because the thread engagement was not as much as the L14460. But all the aftermarket manufacturers (FRAM, etc) say that they are the same. So what's the deal?
The 14460 is the correct filter for most recent Subarus (don't know about the STi). The 3593A (like the 14459) is a Honda filter that just happens to work on a Subaru, but as you've noticed, the depth of the threads is different. Honda filters will on go on a Subaru only a few turns, which scares a lot of people away from any manufacturer that uses the same Honda filter for both applications, myself included.

Purolators are your best bet for many reasons:

1) They have a Subaru-specific part number
2) They make the OEM filters that you get from the dealer
3) They're excellent filters (unlike Frams which are garbage)
4) They're surprisingly cheap
5) They're available pretty much everywhere

I really don't know why people buy anything else. The PureOnes are even better.
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Old 07-04-2003, 08:26 AM   #7
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Default

Quote:
Originally posted by ciper
One word:

PL24458
I've seen you post this part number here quite a few times. What's the 24458 designed to fit? Is it just bigger than the 14460?
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Old 07-07-2003, 11:44 AM   #8
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the Pure One 24458 is listed for older hondas, ~'89. it is significantly larger(30+%?) than 'stock', I just switched over to it.

I just picked up a bunch at Meijer @ 4.99, and if you buy two there's a $3 mail in rebate. not a bad deal getting Pure One's for $3.50
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Old 07-07-2003, 05:45 PM   #9
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Look up 1989 CRX.
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Old 07-07-2003, 11:43 PM   #10
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Default 23 psi

You need a filter with by-pass set at 23 psi.

Within warranty, you may want to use OEM filters.
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Old 07-08-2003, 03:07 AM   #11
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Default Re: 23 psi

Quote:
Originally posted by vvk
You need a filter with by-pass set at 23 psi.

Within warranty, you may want to use OEM filters.
ummm that bypass is in the oil pump, are you talking about the anti-drainback valve??
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Old 07-08-2003, 01:05 PM   #12
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I'm also a longtime Honda owner (2 Accords, Integra, CR-V). When I bought my WRX a few weeks ago, I was amazed that the oil filters I had stocked up on previously could fit my new car! Here are the part numbers that I found compatible:

Fram (PH3593A)
Bosch (3312)
Mobil1 (M1-104)
STP (S2808 Honda, 2869 Subaru)

I will be using the STP brand filters for both my wife's CR-V and my WRX. It appears to have the same construction as the Bosch and Mobil1 without the cost (Mobil1 might have slightly different media though). I wouldn't recommend FRAM. Checkout this site (Honda filters review, but the part numbers are the same for many Subarus):
http://www.ntpog.org/reviews/filters/filters.shtml

Last edited by gr8-wrx; 07-08-2003 at 01:18 PM.
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Old 07-08-2003, 09:22 PM   #13
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Default 23 psi

Quote:
Originally posted by HndaTch627
ummm that bypass is in the oil pump, are you talking about the anti-drainback valve??
No, I am talking about the by-pass valve inside the filter. Not the pressure relief valve in the oil pump.
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Old 07-08-2003, 09:42 PM   #14
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That is true, problem is that the cheap oil filter brands have the same filter for subaru and honda..... Check out your local Fram (or rebadged fram) application guide.

I know someone on here has the Purolator specification book. Tell us the ratings on the two filters!
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Old 07-08-2003, 10:06 PM   #15
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Quote:
Originally posted by gr8-wrx
I will be using the STP brand filters for both my wife's CR-V and my WRX. It appears to have the same construction as the Bosch and Mobil1 without the cost (Mobil1 might have slightly different media though). I wouldn't recommend FRAM. Checkout this site (Honda filters review, but the part numbers are the same for many Subarus):
http://www.ntpog.org/reviews/filters/filters.shtml
Actually I'm pretty sure the Mobil1 is different, and the bosch premium may have different media but the same construction. All in all it's still a good filter. I'm also using this filter, just with the super tech name on it (aka Wal-mart). There are arguments about the bosch filter, though... at least one rep from champion labs said it was completely identical to the super tech and STP.
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Old 07-09-2003, 01:48 AM   #16
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Quote:
Originally posted by gr8-wrx
[b]I'm also a longtime Honda owner (2 Accords, Integra, CR-V). When I bought my WRX a few weeks ago, I was amazed that the oil filters I had stocked up on previously could fit my new car! Here are the part numbers that I found compatible:

Fram (PH3593A)
Bosch (3312)
Mobil1 (M1-104)
STP (S2808 Honda, 2869 Subaru)
The Bosch part for WRX is 3310.

Mobil doesn't list a WRX application.

I wouldn't trust Fram.

Oil filters are not exactly high-tech devices, but I wouldn't use one just because it screws on and doesn't leak.
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Old 07-09-2003, 03:06 PM   #17
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Quote:
Originally posted by CharT


The Bosch part for WRX is 3310.

Mobil doesn't list a WRX application.

Check the autozone.com website for the correct part numbers.
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Old 07-09-2003, 08:23 PM   #18
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Quote:
Originally posted by CharT
Oil filters are not exactly high-tech devices, but I wouldn't use one just because it screws on and doesn't leak.
I believe that all of the listed filters are cross referenced, by the manufacturer, to our engines. For most (if not all) manufacturers that means that the filters, while not identical to OEM, do meet subaru's specs.
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Old 07-10-2003, 12:59 AM   #19
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Quote:
Originally posted by gr8-wrx


Check the autozone.com website for the correct part numbers.
I couldn't find the Mobil filter part number on the Autozone website, only Fram PH3593A and STP S2869 came up. I know that the M1-104 is listed for Honda applications and cross references with PH3593A. The 2003 Mobil 1 application book doesn't list any filters for Subaru. And again, I don't trust Fram.
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Old 07-12-2003, 01:05 AM   #20
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If it was a WRX or a Rs sure go ahead . But if you call you local Subaru dealer they will tell you that the new 2.5 turbo motor in the STI and Forester XT both take a new filter only available from subaru as of yet .
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Old 07-12-2003, 04:25 PM   #21
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Really? Learn something new every day.
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Old 09-11-2003, 08:52 PM   #22
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Default 23PSI

I e-mail Purolator regarding the by pass pressure of their L14460 oil filter. They stated "According to the latest blue print, the by-pass pressure relief valve setting of the L14460 is 20 to 25 psi." I would say that the L14460 falls within Subaru specs.
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Old 09-12-2003, 11:35 AM   #23
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I requested the bypass pressure for the PL24458.
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Old 09-14-2003, 02:53 PM   #24
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Quote:
Originally posted by CharT
One of the differences that I noticed when comparing filters is that the Honda fitment has an anti-drainback valve that we don't need on the Subaru. Don't think that would hurt anything. Don't know about the thread engagement, though.
the suby filter has an anti drain back as well
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Old 09-15-2003, 04:56 PM   #25
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Here's the response from Purolator:

"According to the latest blueprints, the by-pass pressure relief valve for the PL24458 is set at 12 to 15 psi."

I believe that this is a lower pressure than Subaru specs, but isn't the filter specified by Purolator to use in the WRX, the L14460 is which meets the Subaru specs.
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