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Bushing - Propeller / Input Shaft

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Old Dec 5, 2022 | 09:55 AM
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Default Bushing - Propeller / Input Shaft

Currently rebuilding C5 torque tube, replacing bearings, seals, couplers, bolts. I have discovered the plastic bushing between the prop shaft and driveshaft is worn, showing grooves, and I would like to replace. All search descriptions that I can think of to describe this part have failed to produce an image or part number.

Requesting part number or direction on where to source this part. I have called out in exploded view below as well as photo of the part.

Thank you for taking a look.



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Old Dec 5, 2022 | 10:57 AM
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I think this is the number, gm# 12456214 good luck finding one

https://www.corvettesalvage.com/prod...tor-1997-2004/
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Old Dec 5, 2022 | 11:25 AM
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Gm 88893996
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Old Dec 5, 2022 | 12:15 PM
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That’s an expensive piece of plastic.

A guy could make one out of Delrin if he had a lathe.

Ron
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Old Dec 5, 2022 | 01:24 PM
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Good info guys, thanks for responding. It looks like GM 88893996 is the part I'm looking for. I am going to order and post here to confirm when received.
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Old Dec 5, 2022 | 05:28 PM
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If you can't find it try Vettevilians for a used one.
Also if you did not get the bearings yet I got mine from https://simplybearings.co.uk/ for $59.35 shipped.
This is the older post I saw this info at.
https://www.corvetteforum.com/forums...e-bearing.html
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Old Dec 7, 2022 | 02:04 PM
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Originally Posted by opel
Also if you did not get the bearings yet I got mine from https://simplybearings.co.uk/ for $59.35 shipped.
I already have the bearings (SK) and will keep this website for future needs.
Thanks!
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Old Dec 7, 2022 | 04:09 PM
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What are the symptoms of this bushing being worn? I left mine in this past summer when I did torque tube bearings.
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Old Dec 7, 2022 | 04:48 PM
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Originally Posted by RonSSNova
That’s an expensive piece of plastic.
Ron
Holy Crap!
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Old Dec 7, 2022 | 10:28 PM
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Originally Posted by Supercharged111
What are the symptoms of this bushing being worn? I left mine in this past summer when I did torque tube bearings.
I would have re-installed the old bushing if it wasn't marked up and grooved around the outside. New driveshaft, couplers, bearings to address heavy vibration. Deeply invested in the rebuild and do not want to second guess this expensive piece of plastic.
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Old Dec 16, 2022 | 01:58 PM
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Originally Posted by JRMaroon1
Good info guys, thanks for responding. It looks like GM 88893996 is the part I'm looking for. I am going to order and post here to confirm when received.
Received the part and confirming GM 88893996. The new bushing is a tighter fit in the prop and shaft and the nose of the driveshaft, removing any play that was there with the worn bushing.

Thank you Smoken1 for the direction on part number.
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Old Nov 13, 2025 | 02:32 PM
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Originally Posted by feeder82
I think this is the number, gm# 12456214 good luck finding one

https://www.corvettesalvage.com/prod...tor-1997-2004/

Sorry to bring this back from the dead, but I was googling trying to find out some part numbers, and found this part is available after all, albeit not from GM anymore. Link C5 C6 Corvette Torque Tube Prop Shaft Front Insulator Bushing
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