[mtnbkr132]

I am going to be changing the belt and would like to know what pulley's need to be changed. Also what are the part numbers for those pulleys.

wells

 

[Pocket]

Are you currently having a problem with your pully system? There really isn't any reason to change any of them unless you are having some kind of problem. If you are getting a high pitched squeeling noise at higher rpm's, sometimes a new belt can fix that. If not, then the next usual culprit is the idle tensioner pully. But again, if you aren't having any problems, then there's nothing you need to do.