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KYB vs OEM struts #4664344
02/12/18 10:11 PM
02/12/18 10:11 PM
Joined: Sep 2003
Posts: 1,285
Austin, TX
MaximaGuy Offline OP
MaximaGuy  Offline OP
Joined: Sep 2003
Posts: 1,285
Austin, TX
Replace the shocks on Highlander around 35K miles ago and they are mushy now.
When the shocks were replaced did realize the piston and shaft were smaller than the OEM ones.
Had my doubts back then, there was no looking back, the old one was out and new one had to go in.
Settled with the KYB from Tirerack since the OEM ones were 2x the cost of the one from Tirerack.

Guess that was a bad decision looking back since the OEM shock had 140K and didn't have a mushy feeling even with so many miles.


Your thoughts.


2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD
Re: KYB vs OEM struts [Re: MaximaGuy] #4664362
02/12/18 10:27 PM
02/12/18 10:27 PM
Joined: Dec 2016
Posts: 2,163
VA
maverickfhs Offline
maverickfhs  Offline
Joined: Dec 2016
Posts: 2,163
VA
Originally Posted By: MaximaGuy
Replace the shocks on Highlander around 35K miles ago and they are mushy now.
When the shocks were replaced did realize the piston and shaft were smaller than the OEM ones.
Had my doubts back then, there was no looking back, the old one was out and new one had to go in.
Settled with the KYB from Tirerack since the OEM ones were 2x the cost of the one from Tirerack.

Guess that was a bad decision looking back since the OEM shock had 140K and didn't have a mushy feeling even with so many miles.


Your thoughts.


That's how I feel after buying NON-OEM, not every single time but quite a few times. But $$$ difference can be really tempting frown


2006 Civic EX 202K/AT
2006 Acura TSX 180K/AT
Re: KYB vs OEM struts [Re: MaximaGuy] #4664363
02/12/18 10:28 PM
02/12/18 10:28 PM
Joined: Nov 2006
Posts: 19,906
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 19,906
MA, Mittelfranken.de
OE, Bilstein, or Sachs are the shocks and struts I use the most if they available for your make and model. Other aftermarket only their top tier models. Monroe has no place on anything I work on, a once good brand long gone down the toilet.


ASE L1, Master. Deutsch Meisterbrief.
Re: KYB vs OEM struts [Re: MaximaGuy] #4664395
02/12/18 11:16 PM
02/12/18 11:16 PM
Joined: Dec 2008
Posts: 3,079
Occupied Virginia
Bottom_Feeder Offline
Bottom_Feeder  Offline
Joined: Dec 2008
Posts: 3,079
Occupied Virginia
Surprising. I've had nothing but good experiences with KYB parts.

Quick note, you really can't tell quality or firmness by the tube diameter. Monotube shocks are considered firmer, higher-performance units but they are actually smaller in diameter than fatter, generally softer twin-tube shocks.

Re: KYB vs OEM struts [Re: MaximaGuy] #4664412
02/12/18 11:51 PM
02/12/18 11:51 PM
Joined: Aug 2017
Posts: 558
MN
14Accent Offline
14Accent  Offline
Joined: Aug 2017
Posts: 558
MN
KYB has gone WAY down hill outside of OEM supplied.

Funny story - I installed a new set of KYB rear shocks on a Volvo a couple years ago. Took it around the block on a test drive and pulled it in line for an oil change. I noticed a puddle under the RR wheel as I was walking around the car and peeked underneath. Sure as could be the shock was puking oil. After maybe 300 yards of use.

That being said, it probably has nothing to do with the diameter of the strut rod or the size of the piston. It's all about valving. Unless, of course, the struts leaked that quickly. Which is entirely possible.

Just doing a quick look, you can find OEM Toyota struts (most likely made by Tokico) for around $120 each. KYB's on Rockauto are $95. $50 a pair is small change for OEM parts.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
Re: KYB vs OEM struts [Re: MaximaGuy] #4664462
02/13/18 03:32 AM
02/13/18 03:32 AM
Joined: Aug 2004
Posts: 19,988
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 19,988
CA
I am glad that I am not the only one who has observed similar behavior.

I have many examples of recent KYB issues, but here are some examples:

Between 2015-16 I installed 6 KYB Excel-G struts for the 2007-11 Camry application. 4 out of the 6 struts have seeped enough oil after 20-25k miles (1/2 to 3/4 of the way down the strut) to warrant replacement.
In 2013 I installed 4 KYB Excel-G's on a Chevrolet Malibu. 2 of the fronts struts have recently begun seeping (minor seeping, almost 1/2 way down). It has been about 35K miles.
My father's Toyota Previa received 2 KYB Excel-G's and 2 KYB Gas-A-Justs in 2013. He has put on about 40K miles since that time. The 2 fronts are OK but the rears have been bottoming out and making a thunk-like noise for the last few thousand miles.

In comparison, the Bilstein B4 struts, OE toyota struts, OE Honda struts and OE Nissan shocks that I have installed during the same timeframe have experienced 0 failures or issues.
Interestingly enough, I did install 1 full set of Monroe OESpectrums several years ago and they are still performing okay (a bit softer than new, but no leaks or noises) after 30K miles on an Infiniti I30.

Last edited by The Critic; 02/13/18 03:33 AM.

2011 Toyota Prius - 173k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 131K - Mobil 1 EP HM 5W-30
Re: KYB vs OEM struts [Re: MaximaGuy] #4664465
02/13/18 03:43 AM
02/13/18 03:43 AM
Joined: Dec 2011
Posts: 4,738
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,738
North Carolina
KYB = Keep Your Bilstein


"Zed's dead baby, Zed's dead."
Re: KYB vs OEM struts [Re: MaximaGuy] #4664471
02/13/18 04:32 AM
02/13/18 04:32 AM
Joined: May 2005
Posts: 10,276
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,276
ROCHESTER, NY
Yeah, I am disgusted with the whole aftermarket car parts industry. At one time, they built parts that almost never needed replacing again. You install the part(Monroe, KYB, MOOG, TRW, Borg/Warner, Wells, etc.) and you're done, And, there was a lifetime warranty to boot!

YES, I realize that companies can't stay in business selling us an electrical or suspension or engine part ONCE, and never seeing us again. I understand a company wanting to make money to stay alive but, as far as I am concerned, they make junk right out of the box that may only last a year and we're doing the job again. If you kept your receipt, you may be in luck and have the part covered under warranty. How many folks don't have the receipt? I keep all of mine!


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX(17K)
Re: KYB vs OEM struts [Re: Char Baby] #4664478
02/13/18 05:46 AM
02/13/18 05:46 AM
Joined: Aug 2004
Posts: 19,988
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 19,988
CA
Originally Posted By: Char Baby
Yeah, I am disgusted with the whole aftermarket car parts industry. At one time, they built parts that almost never needed replacing again. You install the part(Monroe, KYB, MOOG, TRW, Borg/Warner, Wells, etc.) and you're done, And, there was a lifetime warranty to boot!

The world has changed - folks are interested in quick availability and low prices. Like many other industries, auto parts are being commoditized. It is essentially a race to the bottom. Resellers are no longer able to sell on value or quality - it has become a price game for most sellers.


2011 Toyota Prius - 173k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 131K - Mobil 1 EP HM 5W-30
Re: KYB vs OEM struts [Re: The Critic] #4664480
02/13/18 05:58 AM
02/13/18 05:58 AM
Joined: Oct 2008
Posts: 19,084
Sunny Florida
SteveSRT8 Offline
SteveSRT8  Offline
Joined: Oct 2008
Posts: 19,084
Sunny Florida
Originally Posted By: The Critic
The world has changed - folks are interested in quick availability and low prices. Like many other industries, auto parts are being commoditized. It is essentially a race to the bottom. Resellers are no longer able to sell on value or quality - it has become a price game for most sellers.


Absolutely true. The relentless consumer demand for low prices drives this...


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: KYB vs OEM struts [Re: MaximaGuy] #4664484
02/13/18 06:19 AM
02/13/18 06:19 AM
Joined: Jun 2004
Posts: 305
Valencia, CA
Richie Offline
Richie  Offline
Joined: Jun 2004
Posts: 305
Valencia, CA
Sad to hear. I've always had good luck with KYB but has been years since I have used them.

Re: KYB vs OEM struts [Re: MaximaGuy] #4664486
02/13/18 06:31 AM
02/13/18 06:31 AM
Joined: Mar 2004
Posts: 20,754
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,754
Upstate NY
For some parts I have concluded what is the best overall for a vehicle I am keeping and for shocks or struts is Bilstein. For me, no need to consider other options.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: KYB vs OEM struts [Re: Char Baby] #4664527
02/13/18 08:08 AM
02/13/18 08:08 AM
Joined: Jan 2003
Posts: 3,074
Coastal South Carolina
edwardh1 Offline
edwardh1  Offline
Joined: Jan 2003
Posts: 3,074
Coastal South Carolina
Originally Posted By: Char Baby
Yeah, I am disgusted with the whole aftermarket car parts industry. At one time, they built parts that almost never needed replacing again. You install the part(Monroe, KYB, MOOG, TRW, Borg/Warner, Wells, etc.) and you're done, And, there was a lifetime warranty to boot!

YES, I realize that companies can't stay in business selling us an electrical or suspension or engine part ONCE, and never seeing us again. I understand a company wanting to make money to stay alive but, as far as I am concerned, they make junk right out of the box that may only last a year and we're doing the job again. If you kept your receipt, you may be in luck and have the part covered under warranty. How many folks don't have the receipt? I keep all of mine!


sounds like the muffler industry in the 70s. took an innovation by Japanese (I think) tp stop mufflers rust at 1 1/2 years of age. maybe thats what the shock industry needs. what it would be I have no clue, seems better o rings or straighter smoother shafts would help


These products are all new every year?? They are a revolution!!! Razor blades, mens shirts, TVs, wiper blades, gutter guards, hearing aids... according to the ads. But also all new last year
Re: KYB vs OEM struts [Re: MaximaGuy] #4664528
02/13/18 08:10 AM
02/13/18 08:10 AM
Joined: Nov 2016
Posts: 1,278
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,278
WI
I've had mixed luck with Bilstein, they ride great but both sets I had on the rear of my Liberty puked the fluid after 20k miles. Put OME shocks on and it's been great for 25k miles. Although I do have Bilsteins on my 96 Cherokee and they've been good for 20k miles.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: KYB vs OEM struts [Re: MaximaGuy] #4664574
02/13/18 09:18 AM
02/13/18 09:18 AM
Joined: Jan 2017
Posts: 296
Ontario, Canada
newbe46 Offline
newbe46  Offline
Joined: Jan 2017
Posts: 296
Ontario, Canada
I replaced the shocks on my Odyssey at around 93,000 miles. My mechanic recommended KYB assembly instead of anything else. It was a mistake I would like to take back.

First of all, there is the noise. It's almost as if something doesn't sit properly and whenever there is a small bump there is this "boink" coming from the front axle.

Then the there is the ride, it was much harsher than the original. I say this because a friend of mine has the same year model and similar mileage before I change the shocks, he has the original shocks and his van is much nicer.


2003 E46 M3 Convertible
2004 Odyssey EX-L
2004 Impreza TS Wagon
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