According to AutoZone's website, you have two possible belts. They are 90 inches (with A/C) and 80.5 inches (Without A/C). No, not all Isuzu SUV's use the same belt, unfortunately. The part number varies based on who the manufacturer is. Isuzu's part number for the 90 inch belt is 2906629000. The number for the 80.5 inch belt is 8971305610.
Also, here is our general guide on replacing a belt:
https://www.2carpros.com/articles/replace-serpentine-belt
Please let us know if you need anything else.
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Tuesday, May 22nd, 2018 AT 3:46 AM