GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Will '03+ caster arm fit '99 GS3

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Old 09-12-12, 06:28 PM
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B4TM4N
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Default Will '03+ caster arm fit '99 GS3

Upon learning that Roca doesn't make lower control arm bushings for my '99, I'm afraid ill just have to get new control arms from dealer. Just wanted to know if the beefier '03 arm would fit sub '00 models?

Also, if any of you were able to use the Roca bushings in a 98 or 99, please correct me. Thanks
Old 09-12-12, 06:55 PM
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Mr Jokster
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Control arm or caster arm? Those are 2 different arms
Old 09-12-12, 06:59 PM
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Mr Jokster
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The lower control arms are the same, the caster arms are different, but MIGHT fit. The 01+ caster arm is more "beefier" than the 98-00 and have a different bushing, but pretty sure its the same fitment. Not enough that I would go by though.
Old 09-12-12, 07:01 PM
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Mr Jokster
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BTW, ROCA does make lower control arm bushings for the GS, they're all over ebay.
Old 09-12-12, 07:03 PM
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Mr Jokster
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If you're talking about the Caster/trailing/lower control arm #2 (which I now see you might be ) this is what you need:

http://lexus.sewellparts.com/accesso...1999/5368.html

Just did mine and a friends.
Old 09-12-12, 07:14 PM
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Hey Thanks for the replies....
Sorry, I do mean caster arm.

I've spent the past 4 days researching this and have come to these conclusions:
1) The poly bushings which Sewell has will not be quiet enough for me. After reading other member's reviews, I want to stick as close as I can to stock (rubber vs poly).

2) Although the Roca package says they fit '98 to '05, they are supposedly only for '01-05 models. I spoke to Paul at Roca (although im not sure he is completely sure on what he is saying) and asked him why the website showed different year models for the same part number. If you look on their website, the fitment says" Lexus GS300 00-05 Front Lower Arm Bushing"http://www.roca-usa.com/category.php?cPath=1&aiMake=LEXUS&aiModel=GS300&aiYear=1998-2005


I'll probably get an '03 caster arm http://lexus.sewellparts.com/oem-cat...S300-2003.html
Old 09-12-12, 07:37 PM
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The caster bushings are completely different, so no they wont work. The 01+ bushing is a good 1/8th inch smaller.

And what do you mean quiet? I hear no noise from mine.... Also did them on my buds car who is COMPLETELY **** about that stuff and hes has NO complaints.
Old 09-12-12, 10:31 PM
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https://www.clublexus.com/forums/sus...l-arm-2-a.html

the 03+ caster arm have the trd bushing.
Old 09-13-12, 04:41 AM
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Originally Posted by Mr Jokster
The caster bushings are completely different, so no they wont work. The 01+ bushing is a good 1/8th inch smaller.

And what do you mean quiet? I hear no noise from mine.... Also did them on my buds car who is COMPLETELY **** about that stuff and hes has NO complaints.
What year is your and your friends car? What I meant by quiet was road noise. A couple of guys on here didn't like it and ended up changing the whole caster arm.
so in your msg above, which bushings won't work?

I just need to know what definitely works on the '98/'99 models cause my caster bushing is shot. I wish those TRD bushings were available to order in the US.. shipping from Japan was $30
Old 09-14-12, 04:45 PM
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Even if the '03 model Caster arm fits the '98/'99, wouldnt that add stress to the other suspension components since they aren't use to a "beefier" arm?

Or should I go ahead and give it a shot?
Old 09-14-12, 06:01 PM
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Not sure where stress is added... If anything, they'll last longer.. Every other components are the same from 98-05..
Old 09-14-12, 08:03 PM
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Originally Posted by GS430s
https://www.clublexus.com/forums/sus...l-arm-2-a.html

the 03+ caster arm have the trd bushing.
Good thread right there
Old 09-14-12, 08:42 PM
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I have a 99, I replaced the original caster arms with the beefier +03 arms. I think I paid $260 from carson toyota for the parts, anyway I installed them myself without any problems about a year ago.
Old 09-16-12, 05:15 AM
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Originally Posted by tiger4life
I have a 99, I replaced the original caster arms with the beefier +03 arms. I think I paid $260 from carson toyota for the parts, anyway I installed them myself without any problems about a year ago.
How hard was the install? Did you use a lift or jack stands?
Old 09-16-12, 05:24 AM
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Originally Posted by TI II
How hard was the install? Did you use a lift or jack stands?
Not too bad, but I was tired afterwards. I used a 2 ton jack (jack stand was there there as a backup). You would need a 18-24" breaker bar. Hardest part is getting the new one in. You nee a big crescent wrench so you can turn the arm a little bit while installing the second end. If you search the topic, you'll know what I talking about.


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