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

Rubber vs. polyurethane rear bushing

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Old Aug 16, 2018 | 11:43 AM
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Default Rubber vs. polyurethane rear bushing

Per my earlier posts, I am going ahead with repairs to my 2003 GS300. But I was advised that one of the repairs - replacement of the rear knuckle bushings - cannot be done OEM, because the bushings by themselves are no longer available for my year. I would have to buy the entire knuckle, adding $1,000 to the cost. (I confirmed this with my local Lexus dealership). My mechanic reports he can use non-OEM polyurethane bushings with the existing knuckles. My question to the group is your experience/opinion of using polyurethane bushings vs. OEM rubber bushings? Thanks in advance.

Last edited by gemalter; Aug 16, 2018 at 12:31 PM.
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Old Aug 16, 2018 | 12:16 PM
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I'm not sure that I've ever seen a poly rear lower knuckle bushing. What I've seen other people install is this Dorman part or others from ebay. If you know of a poly option please link it
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Old Aug 16, 2018 | 04:18 PM
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Originally Posted by Muffinizer
I'm not sure that I've ever seen a poly rear lower knuckle bushing. What I've seen other people install is this Dorman part or others from ebay. If you know of a poly option please link it
I'll get the source from my mechanic. When I do, I'll post the info on this thread.
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Old Aug 16, 2018 | 11:44 PM
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I got mine from Megan Racing and they are harder rubber than oem. I had no issues with them and they are not expensive. It's worth checking it out.
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