Actually you can run an under drive or over drive pulley with the right length serpentine belt. But I am finding 2.75 inch (as you measure on the face of the pulley) is correct diameter and 2-7/8 even a tad better as it opens the tensioner just a tad more. I have some more of the MCH-208 on the way and will provide more photos in original post using my modified 15/16 inch Box Wrench and 5/16 inch Allen Wrench shortly.
Your pulley looks more like 2-3/8 inch diameter on the face of the pulley.
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Originally Posted by Roadster
Received my spare 200A alternator yesterday. Pulley may be a tad small with my unscientific measurements...lol I am guessing it is between 60-62mm. If and when it needs replacement, can always swap out the original pulley if needed.
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