REV Truck 114" Serpentine Belt Cross Reference

Looking for a Cross Reference for Part Number 20-9646 - BELT, SERPENTINE (SERIAL NUMBER 196901 AND ABOVE)
Reference TM9 - 2320-387-24P C01

Anyone got a locally-available Duralast, Gates, AC Delco or other Part Number for this exact belt? Hoping to identify one at local parts stores.

this site gives you all the various part numbers related to the NSN for that belt.

Your best bet will be the Gates K081124 belt number.