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#1 2017-02-15 22:49:34

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Hello everyone, can someone give insight on their experience with KSB04 vs. OEM spec clutch. Thank you all!

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#2 2017-02-16 08:09:50

snowphun
Member
From: Central CT
Registered: 2005-11-09
User Number: 890
Posts: 250

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Get the OE Subaru parts. I've used both, I was warned about the Exedy being inferior, noisy... but I gave it a shot. No surprise I had noisy decel, replaced it with parts from one of the online Subaru dealers and all my issues went away. OE isn't too much more from a dealer like Annapolis.

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#3 2017-02-16 14:10:16

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Hello snowphun. Thanks for the reply. I'll go ahead and do that. Do you have a specific website that you use to buy your OE parts? Thanks for the help.

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#4 2017-02-16 15:14:49

theleveler
Supporter
Supporter
From: Long Beach, CA
Registered: 2009-06-08
User Number: 3752
Posts: 1157

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

snowphun wrote:

No surprise I had noisy decel

Uh...  is that what's wrong with my car?  Does it sound like child doing an impression of a cat that's in turn doing an impression of Wario from mariokart?

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#5 2017-02-16 16:47:14

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 386

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Exedy makes the OEM clutches. If the KSB04 is the correct one for your car, get that, Amazon has the best price usually. The OEM one will be identical and cost twice as much

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#6 2017-02-16 23:24:17

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

@theleveler

I've read somewhere online that that noise should only happen if you upgrade to the Stage 1 Exedy clutch, but not so much to the regular Exedy clutch replacement. Perhaps someone in this community can verify?

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#7 2017-02-17 08:38:37

snowphun
Member
From: Central CT
Registered: 2005-11-09
User Number: 890
Posts: 250

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

elislider wrote:

Exedy makes the OEM clutches.

Correct.

elislider wrote:

The OEM one will be identical and cost twice as much

Absolutely incorrect. Subaru parts are not the same as the Exedy OEM kits on the market, never have been.

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#8 2017-02-17 08:44:22

snowphun
Member
From: Central CT
Registered: 2005-11-09
User Number: 890
Posts: 250

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

tooalmazing wrote:

Hello snowphun. Thanks for the reply. I'll go ahead and do that. Do you have a specific website that you use to buy your OE parts? Thanks for the help.

I like Annapolis, Jackie is active on NASIOC and quick to respond. https://forums.nasioc.com/forums/showth … ?t=2629549 But once you have part numbers a quick Google search will find you a number of "Subaru online genuine parts" resellers, and often Amazon is in the same ballpark.

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#9 2017-02-20 18:59:44

theleveler
Supporter
Supporter
From: Long Beach, CA
Registered: 2009-06-08
User Number: 3752
Posts: 1157

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

tooalmazing wrote:

@theleveler

I've read somewhere online that that noise should only happen if you upgrade to the Stage 1 Exedy clutch, but not so much to the regular Exedy clutch replacement. Perhaps someone in this community can verify?

The stage 1 clutch is what I have

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#10 2017-02-21 02:45:01

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

I recently installed an OE Exedy clutch a little less than 1.8k miles ago and all this time I was convinced that the mechanic who performed the job didn't do it correctly because the clutch still felt slippery. I even considered redoing my clutch for the second time just to have a peace of mind. However, I drove my car today and after hitting around 1.9k miles the clutch felt very responsive all of sudden. I wanted to make sure that the feeling wasn't just in my head, so I drove it hard and it felt sticky and responsive. I went home to do some research on this online and newbly found out that the clutch needs to be broken in for at least ~1000-2000 miles! Geez, and to think that I almost redid my freaking clutch! There's one lesson learned for me.

Last edited by tooalmazing (2017-02-21 02:47:03)

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#11 2017-02-21 18:45:27

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 386

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

snowphun wrote:

elislider wrote:

Exedy makes the OEM clutches.

Correct.

elislider wrote:

The OEM one will be identical and cost twice as much

Absolutely incorrect. Subaru parts are not the same as the Exedy OEM kits on the market, never have been.

How pedantic are we being though?
They are the same, Subaru just orders up batches of OEM-branded ones from Exedy.
If the Exedy  KSB04 is the correct part for the 02-05 WRX (i don't want to look it up right now), it will be the same as the OEM one.

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#12 2017-02-21 19:33:23

snowphun
Member
From: Central CT
Registered: 2005-11-09
User Number: 890
Posts: 250

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

elislider wrote:

snowphun wrote:

elislider wrote:

Exedy makes the OEM clutches.

Correct.

elislider wrote:

The OEM one will be identical and cost twice as much

Absolutely incorrect. Subaru parts are not the same as the Exedy OEM kits on the market, never have been.

How pedantic are we being though?
They are the same, Subaru just orders up batches of OEM-branded ones from Exedy.
If the Exedy  KSB04 is the correct part for the 02-05 WRX (i don't want to look it up right now), it will be the same as the OEM one.

Nothing pedantic about it. Hold the parts next to each other, they are not the same.

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#13 2017-02-22 15:47:29

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 386

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

what is different? specifically.
because they are the same

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#14 2017-02-22 16:31:43

snowphun
Member
From: Central CT
Registered: 2005-11-09
User Number: 890
Posts: 250

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

elislider wrote:

what is different? specifically.
because they are the same

I've had both in my hands, they are visibly different, the disk in particular. Different details on the TO bearing. They are not the same parts. A couple examples of people discussing differences:

https://forums.nasioc.com/forums/showth … ?t=2092146
https://forums.nasioc.com/forums/showth … ?t=2470508

Believe what you want, I've used both in the same car and had better results with the OEM parts.

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#15 2017-02-23 01:35:23

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 386

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

snowphun wrote:

https://forums.nasioc.com/forums/showthread.php?t=2092146

in that link the "double spring" one is OEM and the single spring one is the Organic Stage 1 disc (FJD024U). so that is a misquote by the person in that thread.

snowphun wrote:

https://forums.nasioc.com/forums/showthread.php?t=2470508

again, the "Exedy Stage 1" is not the same as the OEM replacement kit.

I looked up some stuff.
For an 05 Aero or 02-05 WRX, the Exedy OEM replacement kit is KSB03
This kit is $228 on Amazon and would be the same as buying (subaru part numbers)
30100AA883 - clutch disc $170
30210AA630 - pressure plate $200
30502AA130 - release bearing $146
806212020 - pilot bearing $12
$528 retail (yes it would be cheaper at wholesale or from any of the OEM online retailers)

for 06 Aero (06+ WRX) the Exedy OEM kit is FJK1001 for $290 on amazon or:
30100AA883 - clutch disc $170
30210AA690 - pressure plate $178
30502AA120 - release bearing $53
806212020 - pilot bearing $12
total of $413 retail and oddly probably quite close the price of the Exedy kit if priced at wholesale
I priced it at the best discount i could find for OEM parts and it was $284... plus shipping

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#16 2017-03-15 23:24:31

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

I actually have a 05 Linear so the KSB04 is what's compatible for my car. With that said, KSB03 is for the wrx 02-05.

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#17 2017-03-22 02:43:49

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Finally got my clutch done and it fits exactly as the OEM. I've only put 100 miles on it so far so I can't really speak much about it's reliability. But so far, it's working perfectly.

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#18 2017-03-22 08:07:54

Rodman
Member
From: Long Island
Registered: 2006-03-01
User Number: 1046
Posts: 2048

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

The exedy oem replacement clutch kit is not identical to the oem clutch kit you get from Subaru, the parts look different. I know because I've had both. The exedy oem replacement disc has a single spring, the Subaru oem has a double spring. The covers are visibly different looking and so are the throw bearing. The exedy oem is not a bad choice but in my case it didn't last as long as the Subaru oem did.


2005 satin gray metalic aero, sold.
2005 black aero, rescue project, jdm STi ver 7 drivetrain.
2008 Subaru Outback 2.5i 5 speed manual daily driver.
2006 WRX, smoked, should've never betrayed 2.0L love.

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#19 2017-03-23 18:01:40

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Rodman wrote:

The exedy oem replacement clutch kit is not identical to the oem clutch kit you get from Subaru, the parts look different. I know because I've had both. The exedy oem replacement disc has a single spring, the Subaru oem has a double spring. The covers are visibly different looking and so are the throw bearing. The exedy oem is not a bad choice but in my case it didn't last as long as the Subaru oem did.

Hello Rodman. Would you happen to know a link that has the entire clutch kit set for future reference? As much as I wanted to go all stock Subaru, I had a hard time looking for the replacement clutch kit. I hope you can shed some knowledge about this. Thank you!

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#20 2017-03-23 21:19:22

Rodman
Member
From: Long Island
Registered: 2006-03-01
User Number: 1046
Posts: 2048

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

What year is your car ? aero ?
Are you asking for the real Subaru OEM parts list # or the Exedy OEM replacement ?


2005 satin gray metalic aero, sold.
2005 black aero, rescue project, jdm STi ver 7 drivetrain.
2008 Subaru Outback 2.5i 5 speed manual daily driver.
2006 WRX, smoked, should've never betrayed 2.0L love.

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#21 2017-03-24 00:12:32

tooalmazing
Member
Registered: 2016-08-04
User Number: 37561
Posts: 72

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Rodman wrote:

What year is your car ? aero ?
Are you asking for the real Subaru OEM parts list # or the Exedy OEM replacement ?

Hey Rodman, thanks for the reply. Yes I am looking for the legit OEM Subaru parts for my 2005 Saab Linear MT. I was trying to look for a clutch kit? Sort of like the one that Exedy has, which comes with: throwout bearing, pilot bearing, clutch, and clutch cover plate.

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#22 2017-03-24 00:36:08

Rodman
Member
From: Long Island
Registered: 2006-03-01
User Number: 1046
Posts: 2048

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

Just get the exedy oem kit, it's a good choice and you can buy it on Amazon for a reasonable price. It's a different story from my perspective for the turbo vehicle application.


2005 satin gray metalic aero, sold.
2005 black aero, rescue project, jdm STi ver 7 drivetrain.
2008 Subaru Outback 2.5i 5 speed manual daily driver.
2006 WRX, smoked, should've never betrayed 2.0L love.

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#23 2017-04-13 20:34:32

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 386

Re: Clutch Exedy KSB04 vs OEM Subaru. Any thoughts?

tooalmazing wrote:

Rodman wrote:

What year is your car ? aero ?
Are you asking for the real Subaru OEM parts list # or the Exedy OEM replacement ?

Hey Rodman, thanks for the reply. Yes I am looking for the legit OEM Subaru parts for my 2005 Saab Linear MT. I was trying to look for a clutch kit? Sort of like the one that Exedy has, which comes with: throwout bearing, pilot bearing, clutch, and clutch cover plate.

The Exedy kit is legit because its the same as OEM and Exedy supplies the parts for Subaru.
the OEM parts don't come in a kit, but Exedy sells them aftermarket as kits since they fit so many different models.
see my previous posts in this thread

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