These are my notes for when I get around to purchasing gauges. Hope this isn't noise to you; note my signature for applicability.
a 93 turned out to be the same length as the one I just took out of my 94-95. I ended up using a 6-rib 2555 – 100.5 inches. ACDelco #6K1010 Easy way is to just order a belt for a 1993 2500 6.5 truck. I have used NAPA NBH25061010 or Goodyear Gatorback from AutoZone 4061010. These are for 94-95 with AC only.
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