been running my aftermarket unit for 12+ years now i think if not older than that . its a serp belt but does great .
also dont forget to make a new alt to battery power cable or you can SMOKE the stocker with the amps .
https://alternatorparts.com/extreme-duty-dual-rectifier-cs-144-type.html . . . there price is up these days but go figure from how many years ago i got mine .
also dont forget to make a new alt to battery power cable or you can SMOKE the stocker with the amps .
https://alternatorparts.com/extreme-duty-dual-rectifier-cs-144-type.html . . . there price is up these days but go figure from how many years ago i got mine .