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Old 06-21-2018, 07:00 PM   #1
Trudd84
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Default JDM EJ205 Timing Belt Kit Question

I have a 2004 WRX and I have ordered and JDM EJ205 with single AVCS. I want to put a new timing belt kit on it. How do I know which kit to buy for the swap. I was on rally sport direct, and it is specific to the kit, and they cannot confirm kit fitment. Any help would be greatly appreciated.
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Old 06-22-2018, 12:01 AM   #2
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Gates TCKWP328 is what I used on my single avcs jdm ej205 but I used an oem tensioner, not the Gates. Search for the Aisin kit thread recently here. Apparently it is better than the Gates I got.
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Old 06-24-2018, 06:50 PM   #3
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I used the AISIN TK-004 on my EJ207 without issue.

261.99 on rockauto.com

Per AISIN's website - 02-04 WRX is TKF-008 but the 05 WRX is listed as TKF-004.

http://partcat.com/aisin
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Old 06-30-2018, 06:38 PM   #4
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I have the TK-004 on mine from the last owner. As far as I know it was a perfect fit and ran good until I rear ended someone. ***128514;***128514;
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Old 07-16-2018, 02:15 PM   #5
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Hi all,

I know this is only marginally related, but since I'm a new member I couldn't create a new thread. Please forgive me


I'm looking into getting an Aisin kit for my US 03 WRX since I've been reading unsavory things about Gates. According to Aisin (or at least partcat.com/aisin), the correct kit would be the TKF-008. Simple enough BUT it doesn't appear to include the cogged idler like every other kit (including their kits for other models). So as mentioned above in this thread, partcat shows the TKF-008 as being the kit for 02 to 04 WRXs, whereas for 05 it lists TKF-004 as being the correct kit (for both EJ205 and EJ255). Then again, on an Aisin product bulletin (http://www.aisinaftermarket.com/uplo...T.05-06-13.pdf) it does not mention the EJ205

So my best guess is that partcat is wrong, but I hope that's not the case. Actually, I don't really care, and I just want to know if the TKF-004 would work. Partially because I want the cogged idler that comes with that kit, and partially because it's at least $30 cheaper.

PLS HLP!

Cheers,
Mark
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Old 10-05-2018, 11:38 AM   #6
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Default Did you ever figure this out?

Quote:
Originally Posted by madcows View Post
Hi all,

I know this is only marginally related, but since I'm a new member I couldn't create a new thread. Please forgive me


I'm looking into getting an Aisin kit for my US 03 WRX since I've been reading unsavory things about Gates. According to Aisin (or at least partcat.com/aisin), the correct kit would be the TKF-008. Simple enough BUT it doesn't appear to include the cogged idler like every other kit (including their kits for other models). So as mentioned above in this thread, partcat shows the TKF-008 as being the kit for 02 to 04 WRXs, whereas for 05 it lists TKF-004 as being the correct kit (for both EJ205 and EJ255). Then again, on an Aisin product bulletin (http://www.aisinaftermarket.com/uplo...T.05-06-13.pdf) it does not mention the EJ205

So my best guess is that partcat is wrong, but I hope that's not the case. Actually, I don't really care, and I just want to know if the TKF-004 would work. Partially because I want the cogged idler that comes with that kit, and partially because it's at least $30 cheaper.

PLS HLP!

Cheers,
Mark
Did you ever get this figured out? I have an 03 wrx as well and it needs a timing belt pretty bad, i am on a tight budget so if the tkf004 will work and save me 30$ plus I get the cogged idler that would be great
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Old 10-05-2018, 03:38 PM   #7
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Quote:
Originally Posted by GetWrxd01 View Post
Did you ever get this figured out? I have an 03 wrx as well and it needs a timing belt pretty bad, i am on a tight budget so if the tkf004 will work and save me 30$ plus I get the cogged idler that would be great


Just wanted to let you know that a couple years ago I opted for the less expensive kits and ended up getting the more expensive kit anyway. The tensioner pulley didn't fit properly. Just save yourself the trouble and get a kit that is either completely sourced with Japanese parts or German parts. Both have proven to be good quality.
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Old 10-06-2018, 10:09 PM   #8
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the jdm and usdm use the same timing parts. even with AVCS. i bought all my parts individually and they all are the same.
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Old 10-09-2018, 11:27 AM   #9
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***8230;***8230;***8230;***8230;***8230;

Last edited by GetWrxd01; 10-09-2018 at 11:30 AM. Reason: posted twice
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Old 10-09-2018, 11:28 AM   #10
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Quote:
Originally Posted by snow_bound26 View Post
Just wanted to let you know that a couple years ago I opted for the less expensive kits and ended up getting the more expensive kit anyway. The tensioner pulley didn't fit properly. Just save yourself the trouble and get a kit that is either completely sourced with Japanese parts or German parts. Both have proven to be good quality.
Alright I知 gonna go with the Aisin tkf008 kit. It says it comes with all Japanese parts, I think it has koyo rollers and a Mitsuboshi belt. Does anybody have any advice on the cam/crank seals? I知 not sure if I知 gonna do them yet I think I値l see what they look like and if they池e not too bad I値l just leave them It seems like a lot of extra work but I would hate to have to pull the timing belt back off again. I have an 03 Wrx with 190k.
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Old 10-09-2018, 12:31 PM   #11
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Quote:
Originally Posted by GetWrxd01 View Post
Alright I知 gonna go with the Aisin tkf008 kit. It says it comes with all Japanese parts, I think it has koyo rollers and a Mitsuboshi belt. Does anybody have any advice on the cam/crank seals? I知 not sure if I知 gonna do them yet I think I値l see what they look like and if they池e not too bad I値l just leave them It seems like a lot of extra work but I would hate to have to pull the timing belt back off again. I have an 03 Wrx with 190k.


When I did my jdm swap I looked into doing them as well. Talked with my tuner and a reputable engine builder and both said not to do them unless they have obvious of leaking. Not a typical failure point on these engines I was told.
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Old 10-15-2018, 03:32 AM   #12
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Quote:
Originally Posted by madcows View Post
Hi all,

I know this is only marginally related, but since I'm a new member I couldn't create a new thread. Please forgive me


I'm looking into getting an Aisin kit for my US 03 WRX since I've been reading unsavory things about Gates. According to Aisin (or at least partcat.com/aisin), the correct kit would be the TKF-008. Simple enough BUT it doesn't appear to include the cogged idler like every other kit (including their kits for other models). So as mentioned above in this thread, partcat shows the TKF-008 as being the kit for 02 to 04 WRXs, whereas for 05 it lists TKF-004 as being the correct kit (for both EJ205 and EJ255). Then again, on an Aisin product bulletin (http://www.aisinaftermarket.com/uplo...T.05-06-13.pdf) it does not mention the EJ205

So my best guess is that partcat is wrong, but I hope that's not the case. Actually, I don't really care, and I just want to know if the TKF-004 would work. Partially because I want the cogged idler that comes with that kit, and partially because it's at least $30 cheaper.

PLS HLP!

Cheers,
Mark
I've ran gates timing belt kits on all my subarus and never had any issues with fitment or getting the wrong parts.
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Old 10-15-2018, 11:26 AM   #13
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Quote:
Originally Posted by snow_bound26 View Post
When I did my jdm swap I looked into doing them as well. Talked with my tuner and a reputable engine builder and both said not to do them unless they have obvious of leaking. Not a typical failure point on these engines I was told.
Cool, I appreciate the info I値l check them out while I知 down there for the peace of mind and hope they aren稚 too bad.
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Old 11-25-2018, 07:53 PM   #14
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Bump for Foo, Aisin kit part # on first page.
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Old 11-28-2018, 04:03 PM   #15
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Quote:
Originally Posted by D-Rodman View Post
Bump for Foo, Aisin kit part # on first page.
Only oem for me!


Subaru Part Number 13028AA240 | Timing Belt
This product fits 7 models, 630 variants between 1997 and 2014.


Subaru Part Number 13033AA042 | Adjuster Ay Belt Tension
This product fits 7 models, 630 variants between 1997 and 2014.


Subaru Part Number 13073AA142 | Pt340292 Idler Cp Belt
This product fits 7 models, 833 variants between 1990 and 2019.


Subaru Part Number 13085AA080 | Idler Cp Belt NO.2
This product fits 7 models, 608 variants between 1990 and 2019.


Subaru Part Number 13073AA230 | Idler Cp Belt
This product fits 7 models, 221 variants between 2003 and 2019.

So thats the timing stuff. As you can see most of this stuff spans lots of models and lots of years of ej205s and subaru did that to save production costs so its compatible with the JDM ej205 since the physical block that these are bolting to are exactly the same, only the internals were different.

You should also change the water pump and thermostat at the same time.


Subaru Part Number 21200AA072 | Thermostat
This product fits 8 models, 709 variants between 1990 and 2019.


Subaru Part Number 21236AA010 | Thermostat Gasket
This product fits 9 models, 992 variants between 1990 and 2019.


Subaru Part Number 21111AA240 | Water Pump Complete
This product fits 7 models, 138 variants between 2004 and 2019.


Subaru Part Number 21114AA051 | Gasket Water Pump
This product fits 8 models, 867 variants between 1990 and 2019.

through subaru the timing belt kit comes out to $480 vs the aisins $280. and Subaru doesnt manufacture any of this stuff, its a NTN tensioner, koyo idler, nsk idler, etc. I went with subaru for peace of mind and because i knew gates was garbage. The aisins kit looks like.it uses a cheaper water pump and that's where they are able to apply the huh savings. Possibly the timing belt as well.

Last edited by Foo_Blyat; 12-02-2018 at 12:13 PM.
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Old 11-28-2018, 08:00 PM   #16
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You should def change all the oil seals as well although 95% of people will skip this step. Ill include part numbers since it doesnt look like aisin sells these

Subaru Part Number 806732160 | Oil Seal 32X55X8.5

Subaru Part Number 806742160 | Oil Seal 42X55X8

Subaru Part Number 806733030 | Oil Seal

Last edited by Foo_Blyat; 11-28-2018 at 08:26 PM.
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Old 11-30-2018, 02:15 PM   #17
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I just received my timing belt kit from Subaru



Now that it's physically here I can say I have absolutely zero regrets going oem instead of aisin.

Subaru uses a high qaulity yamada water pump that could literally out last the physical car but aikin uses a no brand name knock off from what I can tell. There is no yamada stamp on it anywhere , only the Japan stamp matches oem. The aikin gasket is like paper, I'd only use oem gaskets. And the timing belt is probably also questionable.

I'm not one to cut corners, and the extra $200 spent going oem is priceless compared to the peace of mind knowing I have high quality parts going onto the car. Maybe if amazon sells the idlers for less than Subaru I'd get those individually but the rest of the kit , I'll stick with oem

I'm.waiting on freight to bring me my JDM ej205 and I'll preprime it with my summit oil tank, compression check it, then start pealing everything apart and installing all the good stuff
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Old 12-01-2018, 12:54 AM   #18
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Thanks for taking the time to post the part numbers and your impressions Foo.
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Old 12-01-2018, 05:18 PM   #19
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Quote:
Originally Posted by D-Rodman View Post
Thanks for taking the time to post the part numbers and your impressions Foo.
No problem! heres some comparisons between a jdm avcs motor, usdm wrx non avcs motor, and usdm avcs sti motor. I'd like to add that the JDM motors DO have a different part number for their timing belts 13160AA090. I found it here on japan parts https://www.japanparts.com/parts/detail/31475 and here https://jp-carparts.com/subaru/partl...004&fig_id=013

I checked the timing part numbers on the rest of the stuff and it all matches the part numbers on japan parts so thats universal.

JDM ej205 with AVCS


USDM ej205 wrx non avcs


USDM sti single avcs


USDM belt works since the jdm avcs gears are exactly the same as the usdm.

Last edited by Foo_Blyat; 12-01-2018 at 06:44 PM.
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Old 12-04-2018, 09:19 PM   #20
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Quote:
Originally Posted by Foo_Blyat View Post

Subaru Part Number 21236AA010 | Thermostat Gasket
.
Just to point out why OEM is never a bad thing. I have seen aftermarket thermostat gaskets without those notches around the edge. When you line a notch up with the jiggle pin, over time as the gasket swells with age, the notch allows the pin to work freely. Without the notch, it's *possible* for the gasket to swell enough to protrude into the area of the pin, hampering it's ability to work as it should.

[/public service announcement]
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Old 02-05-2019, 06:21 PM   #21
GetWrxd01
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Quote:
Originally Posted by Foo_Blyat View Post
I just received my timing belt kit from Subaru



Now that it's physically here I can say I have absolutely zero regrets going oem instead of aisin.

Subaru uses a high qaulity yamada water pump that could literally out last the physical car but aikin uses a no brand name knock off from what I can tell. There is no yamada stamp on it anywhere , only the Japan stamp matches oem. The aikin gasket is like paper, I'd only use oem gaskets. And the timing belt is probably also questionable.

I'm not one to cut corners, and the extra $200 spent going oem is priceless compared to the peace of mind knowing I have high quality parts going onto the car. Maybe if amazon sells the idlers for less than Subaru I'd get those individually but the rest of the kit , I'll stick with oem

I'm.waiting on freight to bring me my JDM ej205 and I'll preprime it with my summit oil tank, compression check it, then start pealing everything apart and installing all the good stuff
I know I知 a couple months late and I知 sorry but your wrong, I got the Aisin TKF-008 kit, and the pump is stamped with Japan and seems to be of good quality, also it does not have a paper gasket I believe it is metal and very sturdy. I did have one small fitment problem I needed a longer bolt for one of the tensioners but it was easy to find at a Home Depot. As for the belt it was Mitsuboshi which is made in Thailand, I have heard great things about their belts and they make oem ones, I could be wrong but I think they make oem accessory belts on some Subaru痴. To each his own but the Aisin kit seems to be of very good quality and I have not had any issues so far. Also Aisin makes plenty of other oem parts for other manufacturers they are a pretty reputable company.
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Old 02-07-2019, 08:36 AM   #22
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Quote:
Originally Posted by Foo_Blyat View Post


I'll stick with oem
Couldn't agree more.

Here is a neat article about the Subaru OEM pilot bearing vs. others:

Subaru OEM Pilot Bearing vs Aftermarket


Quote:
As for the belt it was Mitsuboshi which is made in Thailand, I have heard great things about their belts and they make oem ones
True, but OEM Subaru Mitsuboshi t-belts are made in Japan(at least the most recent one I bought from the dealer still says "Made in Japan"). I know T-belt failures are quite rare from the belt itself, but when so much is at stake if a t-belt fails, and it's not something that can be checked regularly and gives virtually no warning signs it's going to fail and it's going to be doing it's job for the next 90-100k miles, it makes trying to save a couple bucks on a timing belt kit sound ridiculous, IMHO.
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Old 03-19-2019, 11:34 AM   #23
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Default OEM kit

Hi Foo,
I was wondering where you purchased the OEM Subaru timing kit from? My 2004 WRX is due for the 102k maintenance and I would like to use genuine Subaru parts.

Thanks!
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Old 03-21-2019, 06:41 PM   #24
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Quote:
Originally Posted by burgerboy View Post
Hi Foo,
I was wondering where you purchased the OEM Subaru timing kit from? My 2004 WRX is due for the 102k maintenance and I would like to use genuine Subaru parts.

Thanks!
I always go to Brain at https://www.heubergersubaruparts.com/

not only are their posted prices better than everyone but he will also kick you a 10% off here and there when you do repeat business.

Quote:
Originally Posted by GetWrxd01 View Post
but your wrong
lol k
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Old 03-29-2019, 03:25 PM   #25
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Quote:
Originally Posted by Foo_Blyat View Post
I always go to Brain at https://www.heubergersubaruparts.com/

not only are their posted prices better than everyone but he will also kick you a 10% off here and there when you do repeat business.



lol k
Thanks for the link. How much was your kit? I'm at $500 before shipping going by your parts list.

BTW, does anyone have experience with https://timingbeltkit.com. Here's the kit they sell for our car:
https://timingbeltkit.com/products/t...o-2003-to-2005
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