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Discussions related to this thread can be carried out here, Oil filter discussion/Tokyo Roki replacement thread.

A interesting thread started by Loan Ranger on BITOG regarding the Bypass PSID spec.
Subaru Oil Pump Specs as Relates to Filter Bypass

This is a thread in the works. As I collect more filters, more filters will be added to this thread. If you have a favorite filter that you want to see here, you are more then welcome to send one to me. Just send me a PM for my address. For the time being I plan on keeping all cut filters in a box so if need be they can be revisited if any one has specific questions on a filter and it needs to be looked at again.

What this thread is and what this thread is not.

What it is not. I consider myself a person of science, I like the numbers. They are hard to argue, so it pains me that this unfortunately is not a scientific comparison between the filters listed in this thread. I simply don't have the resources, time, materials or facilities to measure media flow rates, particle capture efficiencies and so on. Which is some thing that is very important to take into account when making a choice between filters.

Filter media surface area is three dimensional, not just the two dimensions I am capable of measuring in. So remember to take this into account when looking at the surface areas listed, they are only listed 2D surface area and are listed as measured(which has room for error when measuring a folded material).

What this thread is. It is a comparison between the construction materials, methods and and specs as listed by the manufactures/brand name suppliers of the filters with a visual aid.

Here is some reading for every one, they are PDFs with the exception of the Glossary of Terms and the list of AASA TSBs.

Automotive Aftermarket Suppliers Association TSB list

Filtration Glossary of Terms

Hydraulic Filter Performance Criteria

Micron Rating for Media in Fluid Filters

Spin-on Filter Threads

Synthetic vs. Cellulose Media and Usage in Liquid Filtration

Subaru after market filter/parts/mods TSB

Beta Ratio Chart


Some thing that one must keep in mind is that just because Manufacturing House "A" makes filters for brand "X", "Y" and "Z". Does not mean that filters "X", "Y" and "Z" for the same speced application will be made identical. They are manufactured by the manufacturing house to the specs provided by the brand name ordering them.

Tools used are a simple beam style oil filter cutter purchased from SpeedwayMotors.com a few years ago. It is advertised as doing filters from 1½" to 6⅛". Point blank, 1½" inches is false. It will go down to a 1½" but you will be hard pressed to get it to cut a filter less then 3" in diameter as the filters bottom out on the cross bar the holds the rollers. So a little adapting was in order.
Item #: 91081031 <$40


The outlet hole in the oil filter mounting stud measures 12.25mm diameter via a gage pin, an area of 117.85881189482959mm2 or ~1.17859cm2. If you like you can compare this area with the oil inlet area of the filters to see how they fair. At the least the filter inlet area should meet the 117.85881189482959mm2 area of the filter stud.

All images are clickable to their full size/resolution. They are hosted on imageshack, if they are not available at that time you will have to wait for the bandwidth limit to reset. It's a free account, deal with it.

If you see anything listed that you know for sure is wrong, by all means PM me what it is along with the information you have suggesting it is other then stated. Mistakes happen, it is a fact of life, but I will correct what I can.

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Subaru oil filter comparison

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Thread Starter

Filter names are hot linked to the post that contains that filter. At the bottom of each post there is a "Back to Index" link that will return you to this index post.

Tokyo Roki 15208AA100 Provided by: SuperRu

Honeywell/Subaru 15208AA12A

Beck Arnely 041-8181

Fram Extra Guard PH6607

Fram Tough Guard TG6607

Fram Extended Guard XG6607 (Dual layer Paper and synthetic media blend)

SuperTech ST6607

Purolator PL14612

Mobil1 M-108 (Synthetic media)

Royal Purple 10-2876 (Synthetic media)

Bosch D3300

NPN W01331833067NPN

Defense DL6607

K&N HP-1008 (Synthetic media)

Napa Platinum 41365 (Synthetic media)

Napa Gold 1365 Superseded by Napa Gold 7712

Napa Gold 7712

Ultra 8/Altrom 3613001

Bosch 3300 Provided by: pleiad7

Purolator L14612

Quaker State QS14612

DriveWorks DW-4612

Purolator PSL14612 (Synthetic media)

K&P Engineering S1 (Reusable)

Pure Power 8415 / K&N SS-1008 / K&N SS-1004 / K&N SS-1010 (Reusable)

MicroGard MGL6607 Red box Defective example

MicroGard MGL6607 White box

AMSOIL Ea15K12 (Synthetic media) Provided by: Guerrilla forester

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Subaru oil filter comparison

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Tokyo Roki 15208AA100
Provided by: SuperRu

Specs:

OD: 68mm
Length: 64mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 23 PSID, Metal valve integrated into the end cap on the dome end.
Anti Drain Back Valve: Yes, Nitrile
Media type: Paper
Media Surface area: 470.9668cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: "P" ring
Oil inlet hole/s area: Six 6.25mm holes. 184.07mm2 total area.
End caps: Metal
Can side thickness: .48mm

Observations:

- Very solid construction. Media pleating is evenly spaced and the media is firmly bonded to the end caps.

- Bypass valve pressure, was confirmed via Subaru customer service. It has been rumored that the Roki did not meet Subarus spec, but I have no reason at this point to believe other wise. Even if it does not meet spec, until they issue a statement saying not to use it, they can't deny a warranty claim that is related to the oiling system.







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Honeywell/Subaru 15208AA12A

Specs:

OD: 68.3mm
Length: 67mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 23 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Nitrile
Media type: Paper
Media Surface area: 473.7cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: "P" ring
Oil inlet hole/s area: Ten 5mm holes. 196.34mm2.
End caps: Engineered media
Can side thickness: .37mm

Observations:

- Construction of the can feels Solid. It uses the same base plate(stamped 5U) as all the other Honeywell/Fram filters speced for these applications, However it uses a "P" gasket and has a different lip to retain the "P" ring gasket.

- The media is pretty well evenly spaced with the exception of 2 spots in this example. One spot 180° from where the two ends of the media are joined, which has a large gap in the pleating and another spot where there are 3 pleats packed tight against each other.







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Beck Arnely 041-8181
Reboxed/Rebranded Nippon Micro Filter Co. Part #: T600

Specs:

OD: 68mm
Length: 64mm
Thread: M20x1.5, Roll-formed
Spring type: Coil
Bypass Valve: ~20-25 PSID, Metal valve integrated into the end cap on the dome end.
Anti Drain Back Valve Yes, Nitrile
Media type: Paper
Media Surface area: 532.26cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: "P" ring
Oil inlet hole/s area: Six 6.25mm holes. 184.07mm2 total area.
End caps: Metal
Can side thickness: .48mm

Observations:

- Solid construction overall, feels very similar to the 15208AA100 Tokyo Roki.

- The media is evenly spaced except for one spot where the pleating gets a little wide spread. The glue bonding the media to the end caps also provides a very secure joint again similar to the Roki.

- The addition of the static cling reminder sticker, although a trivial item is still a nice thing to get.

Email from Beck/Arnley regarding the bypass spec:






NOTE: The ADBV is not pictured, I left it in the garage and did not realize it until after the pics were taken.

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Subaru oil filter comparison

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Thread Starter

Fram Extra Guard PH6607

Specs:

OD: 68.3mm
Length: 67mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 13 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, nitrile
Media type: Paper with a undefined amount of synthetic media, listed as 80% efficient
Media Surface area: 375.01cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Ten 5mm holes. 196.34mm2.
End caps: Engineered media
Can side thickness: .37mm

Observations:

- Has a almost identical ADBV as the Honeywell 152208AA12A but has a different set of numbers on it, 326 VS 353 on the Honeywell.

- The paper media is a different color and texture then the Honeywell 152208AA12A







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Thread Starter

Fram Tough Guard PH6607

Specs:

OD: 72.14mm
Length: 67.8mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 13 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Silicone
Media type: Paper with 9% more synthetic media then the PH6607, listed as 99% efficient
Media Surface area: 459.26cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Ten 5mm holes. 196.34mm2.
End caps: Engineered media
Can side thickness: .38mm

Observations:

- Of the Fram filters that I have done to this point this one had the loosest fitting spring/bypass valve assembly into the core tube of the media. I suspect this is an area on this style of filter assembly that potentially be prone to a internal leak, leading to some unfiltered oil.

- Has a almost identical ADBV as the Honeywell 152208AA12A but has a different set of numbers on it, 326 VS 353 on the Honeywell.







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Fram Extended Guard XG6607

Specs:

OD: 72.14mm
Length: 67.8mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 13 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Silicone
Media type: Dual layer Paper and synthetic media bonded together with a mesh backer, listed as 97% efficient
Media Surface area: 323.14cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Ten 5mm holes. 196.34mm2.
End caps: Metal
Can side thickness: .38mm

Observations:

- The first of the Frams with metal end caps. The end cap that receives the spring/ADBV assembly has a paper gasket to help make a seal. Seems to confirm the internal leak theory.

- Has the lowest surface area as measured in 2 dimensions, keep in mind the 3rd dimension to the media we can't measure. Don't forget to take into account that this filter has 2 layers of media, so 323.14 is closer to 626.28, but it is stacked on top of each other, not linear.







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SuperTech ST6607

Specs:

OD: 67mm
Length: 64mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 8-11 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Nitrile
Media type: Paper
Media Surface area: 373.65cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Six 6.4mm holes. 193.02mm2.
End caps: Metal
Can side thickness: .33mm

Observations:

- Filter media area size looks are deceiving due to the large lip on the end caps. The lip makes it look like it has about ½ the area that the entry level Fram Extra Guard does. Where in reality they are with in a few cm2.

- Has the thinest can of all the filters so far.







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Purolator PL14612

Specs:

OD: 68.32mm
Length: 74.42mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 14-18 PSID, Integrated in the end cap on the dome end
Anti Drain Back Valve: Yes, Silicone
Media type: Paper
Media Surface area: 583.13cm2
Beta Ratio: 1000@40 (99.9% @ 40 microns)
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Eight 4.5mm holes. 127.24mm2.
End caps: Metal
Can side thickness: .355mm

Observations:

- The can being totally covered in texture is a nice bonus.

- Bosch/Purolator filters have the tightest fitting ADBV of all the filters in the thread up to now.








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Mobil1 M-108

Specs:

OD: 67mm
Length: 64mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 11-17 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Silicon
Media type: Mixture of synthetic micro fibers and natural fibers
Media Surface area: 388.25cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Six 6.4mm holes. 193.02mm2.
End caps: Metal
Can side thickness: .46mm

Observations:

- Made by Champ Labs, has a nice heavy can. Evenly spaced pleats nicely bonded to the end caps.







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Royal Purple 10-2876

Specs:

OD: 67mm
Length: 64mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 11-17 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end.
Anti Drain Back Valve: Yes, Silicone.
Media type: Synthetic
Media Surface area: 248.64cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Six 6.4mm holes. 193.02mm2.
End caps: Metal
Can side thickness: .46mm

Observations:

- Surprised when opening this one. First thing that caught my eye was what appears to be primer and glue used to bond the filter element to the end caps in random places on the media(see pics 4-7).

- Second thing I noticed some what goes along with the first. The end caps are not installed on the media squarely(see pics 8 &9). There is a 1.2mm taper from the low to high spot. Every part of the media is bonded to the end caps, so there are no unsecured sections.

- Overall, I am a little disappointed in this specimen that should have top tier construction standards. My personal opinion is that some of the lesser(entry level) filters coming out of Champion Labs have had better construction.







Pics 4-7









Pics 8 & 9







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Bosch D3300

Specs:

OD: 68.32mm
Length: 74.42mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 14-18 PSID, Integrated in the end cap on the dome end
Anti Drain Back Valve: Yes, Silicone
Media type: Paper and synthetic blend
Media Surface area: 583.13cm2
Beta Ratio: 1000@? (99.9% @ ? microns)
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Eight 4.5mm holes. 127.24mm2.
End caps: Metal
Can side thickness: .355mm

Observations:

- Weighs more then its Purolator cousin. That extra weight comes from an extra thick base plate.

- As with the Purolator the ADBV is a tight fit.







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NPN W01331833067NPN

Specs:

OD: 68.0mm
Length: 66mm
Thread: M20x1.5, Roll-formed
Spring type:Coil
Bypass Valve: ???? waiting for reply PSID,Integrated in the end cap on the dome end.
Anti Drain Back Valve: Yes, Nitrile
Media type: Paper
Media Surface area: 543.95cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: "P" ring
Oil inlet hole/s area: Six 6mm holes. 169.34mm2.
End caps: Metal
Can side thickness: .41mm

Observations:

- Carries the same part number(152208AA12A) as the OEM filter along with an old SOA part number(SOA5165108) for a Justy oil filter printed on the filter and packaging. This filter goes by many part numbers.

- The media is evenly spaced with a nice even amount of adhesive bonding the media to the end caps.







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Defense DL6607

Specs:

OD: 68.3mm
Length: 67mm
Thread: M20x1.5, Roll-formed
Spring type: Stamped leaf
Bypass Valve: 13 PSID, Plastic, located in the stamped spring, positioned at the end cap on the dome end
Anti Drain Back Valve: Yes, Nitrile
Media type: Paper with a undefined amount of synthetic media, listed as 80% efficient
Media Surface area: 375.01cm2
Beta Ratio: Unknown
Flow Rate: Unknown
Gasket style: Square ring
Oil inlet hole/s area: Ten 5mm holes. 196.34mm2.
End caps: Engineered media
Can side thickness: .37mm

Observations:

- Made by Honeywell/Fram

- It is a white Fram for a $1 less.







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