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Difference between 98-99 & 00-02 IAC valve?

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Old Mar 21, 2011 | 09:56 PM
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Default Difference between 98-99 & 00-02 IAC valve?

Anyone know the difference between the 98-99 & 00-02 IAC valve? Both show different part numbers (OEM and Delphi), but is there any physical difference between the two?
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Old Mar 21, 2011 | 10:04 PM
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I would bet it's nothing more than a GM p/n change. Go to Rockauto and look one of them up and then click on the Delphi p/n. It will show everything it fits. Some of the appilcations, like trucks, will be from 99-02.
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Old Mar 23, 2011 | 12:25 AM
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I'm just wondering if anything was changed/improved on the later model. Usually they don't just randomly change p/n so there has to be some difference I would think.
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Old Mar 25, 2011 | 11:15 PM
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Bringing this back up one more time to get any other info.
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Old Jan 26, 2021 | 03:26 PM
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Bringing this way way back LOL. Did anybody ever figure out the differences?
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Old Jan 26, 2021 | 04:04 PM
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I'm not aware of any change to the IAC over the 98-02 models.
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