C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

What is this part?

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Old Aug 23, 2008 | 07:57 PM
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Default What is this part?

What is that pulley right next to the alternator pulley? Mine is bend but I cant seem to find out what the heck it is in my manual. It looks like it is connected to the alternator and I think it has oil and lines going into it. 86 corvette
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Old Aug 23, 2008 | 08:49 PM
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If it's towards the center of the motor and slightly above the alternator, it's the AIR pump. There are no oil lines to it and the only other lines are for the air being sent thru the AIR system to the exhaust manifolds.

It would be pretty hard to bend that pulley. Replacement AIR pumps are available and I believe they come with pulleys.
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