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#4683422 - 03/03/18 05:35 PM “Honda” Oil Filters the ROKI family - A Quick Look
DuckRyder Offline


Registered: 10/20/05
Posts: 4213
Loc: Atlanta
First of all a little History:

ROKI Co., Ltd is a company based in Japan FKA Toyo Roki.

http://www.roki-jp.com/english/company_name.html

ROKI AMERICA Co., Ltd.is the US arm of Roki, FKA FILTECH, INC

http://www.roki-us.com/

HAMP is Honda AfterMarket Parts

http://www.honda.co.jp/auto-parts/hamp/

It is in Japanese, some attempted translations are here:

BIOTG_Hamp_oil_filter,_Made_in_USA

The 15400-PLM-A01 is the Roki/Filtech filter for the US market (also seen with the suffix “PE” for Power Equipment (allegedly))





The H1540-RTA-505 and H1540-RTA-515 are the HAMP “large” filters sold in other markets.

“H1540-RTA-505 Green interchangeable w/ H1540-RTA-515 Blue"





The H1540-PFB-515 and H1540-PFB-525 are the HAMP “Small” or “Shortie” filters sold in other markets.

"Hamp Filtech / Roki high performance oil filter made for Honda. H1540-PFB-515 Green interchangeable w/ H1540-PFB-525 Blue”





The A01 and 505/515 large appear to be the same filter aside from branding and color in the case of the 505.





The 525/515 small have a grey ADBV the 525 has a “6” on the tapping plate instead of the typically recognized <> seen on the A01 and 505. It is not known if this would hold true according to dates for all filters.





The change from Filtech to Roki took place in 2011, and the part number change for Hamp when filters changed from green to blue is Oct 2014 according to this thread.

9th Gen Civic . Com - FS: $20 MOD GB !! (HAMP Tokyo-Roki Oil Filter + Drain Plug)

The HAMP filters come in a box with a drain plug washer, The A01 comes in shrink wrap only and without a drain plug washer.

More pictures:


















Edited by DuckRyder (03/03/18 05:57 PM)
_________________________
Robert
  • 2007 Toyota Prius Touring
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#4683445 - 03/03/18 05:53 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
Marco620 Offline


Registered: 02/25/14
Posts: 2186
Loc: Deplorable Kansan,HK fan!
This is quite a bit to take in. Think I will stick with Fram Ultra 7317.
_________________________
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#4683451 - 03/03/18 06:01 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
PimTac Offline


Registered: 03/04/17
Posts: 4315
Loc: Soviet State of Washington
I like the idea of shrink wrapping the filters as the other Japanese do.
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#4683490 - 03/03/18 06:37 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: Marco620]
Bud Offline


Registered: 06/04/02
Posts: 1720
Loc: Texas
Originally Posted By: Marco620
This is quite a bit to take in. Think I will stick with Fram Ultra 7317.


Amen
_________________________
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#4683574 - 03/03/18 07:43 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
goodtimes Offline


Registered: 12/08/10
Posts: 2858
Loc: california
One filter seems to have the no end cap design. Here's someone's 2019 best oil filter choice. So many filter choices.

https://www.densoproducts.com/product.aspx?zpid=41167

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#4683575 - 03/03/18 07:43 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
NormanBuntz Offline


Registered: 07/27/13
Posts: 2124
Loc: Outer Banks, NC
Thanks for taking the time to make this post. I've never seen the green filters in the USA marketplace.
_________________________
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#4683580 - 03/03/18 07:47 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: goodtimes]
NormanBuntz Offline


Registered: 07/27/13
Posts: 2124
Loc: Outer Banks, NC
Originally Posted By: goodtimes
One filter seems to have the no end cap design. Here's someone's 2019 best oil filter choice. So many filter choices.

https://www.densoproducts.com/product.aspx?zpid=41167


This supplier should be much better for those living on the west coast. Shipping from CA to the east coast is costly.
_________________________
2017 Honda Odyssey SE, 14K
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2007 Honda Ridgeline RTS, 86K
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#4683603 - 03/03/18 08:07 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
JHZR2 Offline



Registered: 12/14/02
Posts: 41789
Loc: New Jersey
Thanks for sharing the pics. Where do you get these filters from?

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#4683718 - 03/03/18 10:59 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
malibuguy79 Offline


Registered: 12/11/17
Posts: 86
Loc: Maryland
Ive always heard about the Hamp filters (jdm yo) however are they really any different?
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#4683806 - 03/04/18 06:53 AM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
Sayjac Offline


Registered: 10/13/08
Posts: 12268
Loc: The Old North State
When I see the Hamp green filter for Honda it reminds me of river_rat Rob's 2009 testing of oil filters including the Hamp green and Honda A01. Looks like since his testing and dissections, the Hamp has added a silicone adbv but otherwise I suspect same construction, no endcap type.

Fortunately, unlike his bitog post Some Filtration Comparisons From the Bench, where his pics were wiped out by the photobucket moneygrab scam, his 'weebly' summary site pics remain intact. The Hamp and Honda A01 can be seen in the link by scrolling down to '..ten popular Honda/Acura filters'. Two middle filters.

https://filtrationcomparisons.weebly.com/test-pictures-and-results.html

Fwiw, his testing showed them to be the least efficient of the group tested. His 2009 testing came before the 2011 Amsoil ISO of some OEM oil filters including the Denso and Honda A01, and turned out to be predictive of the Amsoil ISO results. Unlike GMC Truck Central patch test linked here before, r_r's overall filtration efficiency results positively correlate with known/published ISO 4548-12 efficiency ratings at that time. His conclusions can be seen in the link.

https://filtrationcomparisons.weebly.com/conclusions.html

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#4684069 - 03/04/18 12:19 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: Sayjac]
DuckRyder Offline


Registered: 10/20/05
Posts: 4213
Loc: Atlanta
Originally Posted By: JHZR2
Thanks for sharing the pics. Where do you get these filters from?


You can get them all on Amazon:

Amazon Search 15400-PLM-A01

Amazon Search H1540-RTA-505

Amazon Search H1540-PFB-515

I’ve dealt with JP-Genuine and DC Autoparts for Honda filters and had good service.

A01’s can be bought from Honda dealers on occasion, HandA Accessories is one such dealer I have dealt with.

Though they are out of scope of the discussion at hand (ROKI) there are of course Honda A02 (Fram) which are readily available in the US and a Honda Purflux which are, I believe, prevalent in Europe and the UK.

It should be noted that the green HAMP filters have been superseded to the blue ones, you may get either color unless the seller specifically states it is one or the other. Likewise if buying from a Honda dealer and it is important to you that you get A01 filters make sure the dealer guarantees that is what you will get.

There are of course other sources on the internet.

Originally Posted By: malibuguy79
Ive always heard about the Hamp filters (jdm yo) however are they really any different?


Well, now that is the $64,000 question isn’t it, and one that is likely to be hard to answer with certainty, since a visual examination may not reveal any difference. The “large” HAMP and A01 are readily viewable cut open on the internet, they appear identical, it is my opinion that they probably are exactly the same filter save for graphics and paint. I can’t prove it, and the media could be different and still look the same. The “small” or “shortie” HAMP obviously differs in the grey vs red ADBV though it is still supposed to be silicone. There are some other claims about the “shortie” as well that folks have been arguing about for years, since the HAMP webpage is in Japanese it is hard to know the source of all of these claims.

Some examples:

http://www.inlinefour.com/honhamoilfil.html

Originally Posted By: https://japansparkplugs.com
OIL FILTER

HAMP / HONDA
Ref. H1540-PFB-525
(High Pressure Version)

Replaces Discontinued/Phased-Out H1540-PFB-515


https://japansparkplugs.com/boutique/en/filters/1602-h1540-pfb-525.html

Originally Posted By: https://www.opieoils.co.uk
Description:
Hamp Synergy Oil Filter
H1540-RTA-515

HAMP (Honda After Market Parts) filters are a favourite of Honda owners and after customer requests, we now stock them. These filters are designed by Honda in order to give high quality long lasting oil filtration of engine oil, ensuring your oil is free from thickened lumps and/or oil debris. Hamp Synergy incorporates a dynamically adjusting release valve that adjusts to the surrounding conditions to keep oil flow and pressure constant and consistent.

These filters fit all Honda engines apart from the NSX, Insight and diesels.


https://www.opieoils.co.uk/p-69312-hamp-synergy-oil-filter.aspx

Originally Posted By: https://www.opieoils.co.uk
Description:
Hamp Synergy Oil Filter SHORTIE
Blue H1540-PFB-515 "SHORTIE"

HAMP (Honda After Market Parts) filters are a favourite of Honda owners and after customer requests, we now stock them. This version is the sort after “Shortie”, it's known for increasing oil pressure by 3 to 4 psi, plus these are used by Japanese race teams such as spoon.... so you know these are going to be good!
These filters are designed by Honda in order to give high quality long lasting oil filtration of engine oil, ensuring your oil is free from thickened lumps and/or oil debris. Hamp Synergy incorporates a dynamically adjusting release valve that adjusts to the surrounding conditions to keep oil flow and pressure constant and consistent.

These filters fit all Honda engines apart from the NSX, Insight and diesels.


https://www.opieoils.co.uk/p-69312-hamp-synergy-oil-filter.aspx
_________________________
Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100

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#4684116 - 03/04/18 01:12 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: NormanBuntz]
goodtimes Offline


Registered: 12/08/10
Posts: 2858
Loc: california
Originally Posted By: NormanBuntz
Originally Posted By: goodtimes
One filter seems to have the no end cap design. Here's someone's 2019 best oil filter choice. So many filter choices.

https://www.densoproducts.com/product.aspx?zpid=41167


This supplier should be much better for those living on the west coast. Shipping from CA to the east coast is costly.


Not sure, I got free shipping on a sale when I bought air filters. It may be the same cost if they use priority mail shipping. I just signed up for their newsletter to see if sometime they have the oil filters free shipping. Right now it would cost me $10 for 3, too much.

It looks like the baseplate on the Denso is about the same, or is the same, as on the two topic filters.

https://www.densoproducts.com/product.aspx?zpid=41167

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#4684123 - 03/04/18 01:21 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
ZeeOSix Offline


Registered: 07/22/10
Posts: 17786
Loc: PNW
"Hamp Synergy incorporates a dynamically adjusting release valve that adjusts to the surrounding conditions to keep oil flow and pressure constant and consistent."

In other words, a normal bypass valve. Swore it was some high tech "smart valve" for a second.

They have some imaginative writers in the marketing department. grin2

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#4684201 - 03/04/18 03:03 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: goodtimes]
DuckRyder Offline


Registered: 10/20/05
Posts: 4213
Loc: Atlanta
Originally Posted By: Sayjac
When I see the Hamp green filter for Honda it reminds me of river_rat Rob's 2009 testing of oil filters including the Hamp green and Honda A01. Looks like since his testing and dissections, the Hamp has added a silicone adbv but otherwise I suspect same construction, no endcap type.

...


They are no endcap designs similar to what we have seen in Toyota Densos.



Honda 15400-PLM-A01 (FilTech)



Toyota 90915-YZZF2

It is probably fair to surmise that the efficiency is similar.

Here are some seller images of HAMPs cut open.



Hamp Synergy OEM High Performance Honda Oil Filter H1540-RTA-505 QTY=1 Large - Sold by DC Autoparts





Hamp Synergy OEM High Performance Honda Oil Filter H1540-PFB-515 QTY=1 Small - Sold by DC Autoparts



Originally Posted By: goodtimes
...

It looks like the baseplate on the Denso is about the same, or is the same, as on the two topic filters.

https://www.densoproducts.com/product.aspx?zpid=41167


I am not sure how we got on Densos, and am having difficulty finding the correct Denso for a Honda cut open (or good images of the baseplate) Denso and Roki are not the same company and there are clearly differences in construction at least between the Roki and Toyota Denso.

Denso and where to buy them really should be a topic for another day... perhaps someone would like to buy one and lets have a look at it...
_________________________
Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100

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#4684236 - 03/04/18 03:54 PM Re: “Honda” Oil Filters the ROKI family - A Quick Look [Re: DuckRyder]
Jason_Michaels Offline


Registered: 03/08/15
Posts: 66
Loc: Toms River, NJ
Excellent post, thanks for sharing.

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