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Found GM Part Numbers for rear spring Insulators

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Old 10-09-2012, 09:21 PM
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Default Found GM Part Numbers for rear spring Insulators

Hope this is useful to others.........

I needed to replace the rear lower spring isolators since they were worn to just about nothing. I also replaced the passenger side upper isolator since it had a split.

After ALOT of chasing around I finally found them and here they are for EASY future reference for those who want to use the OEM replacements. According to the dealers I called, they don't even show a lower one even used on the F-body's...Nobody could explain why.

Rear Lower Isolator: 10247105
Rear Upper Isolator: 10290379

Old ones that came off my car...

Old 10-10-2012, 07:04 PM
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I never knew there was a lower spring isolator.
Old 10-10-2012, 07:28 PM
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I never knew about a lower one either?
Old 10-10-2012, 08:44 PM
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I bet the lowers help with the sqweek.
Old 10-10-2012, 09:39 PM
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Obviously I cant say all have them, but mine certainly did. Dealers, napa, Autozone etc & etc couldn't find the pn for that lower. I was able to id only partial pn's on each one that came out and actually had to guess on a digit. Sure enough, with the patience of a local dealer, we found it. Total pita this was
Old 10-10-2012, 09:53 PM
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Is this only for LT1 cars?
Old 10-10-2012, 10:19 PM
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I don't know. Although mine is an early 93 lt1
Old 10-11-2012, 09:55 AM
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Wow, people actually seek these? I would have given you two sets if you paid shipping... LOL!



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