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2012 GS Alternator

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Old 06-13-2018, 08:59 PM
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pauly1119
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St. Jude Donor '06-'11
Default 2012 GS Alternator

Does anyone know the part number for a 2012 GS Alternator? Bearing is making some noise and would rather take care of before I have to. Is it the High Output one or standard? Any help would be appreciated. Put on the Tech section but had no response. I wanted to order one.
Thanks
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Old 06-14-2018, 12:02 AM
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Originally Posted by pauly1119 View Post
Does anyone know the part number for a 2012 GS Alternator? Bearing is making some noise and would rather take care of before I have to. Is it the High Output one or standard? Any help would be appreciated. Put on the Tech section but had no response. I wanted to order one.
Thanks
Part Number: 25888970
Other Names: Generator
Description: Corvette. Auto trans. Without supercharger.

To verify, visit Cultrag's site. Enter your VIN and then search for "alternator."
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Old 06-14-2018, 12:14 AM
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Dano523
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Get a new alternator.

Hence trying to pull the OEM Valeo unit apart to change the bearing is next to impossible without destroying it, since the front bearing is installed from the inside.


As for the replacement, since the OEM valeo unit only puts out at 14amps at idle, the replacement alternator you want is the Billet 170amp 6 phase alternator, which put out about 45amp at idle isntead (more than enough amps to keep up with the A/C blasting at a stop light, without the battery going into a draw start like the OEM alternator isntead).

https://www.corvetteforum.com/forums...w-pricing.html

Last edited by Dano523; 06-14-2018 at 12:17 AM.
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Old 06-14-2018, 10:44 AM
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Thanks for the help, ordered the billet one.
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