It's time to replace the belt on my 19 year old Jet 14 inch band saw and seeing as belts are yet another topic that I'm not too informed on I was hoping for a little guidance on getting a new one. I have eliminated the fancy power twist belts based on price alone even though I know they will reduce vibration. They must have platinum woven in them! The belt is VB-A50 and I wonder if going to an auto store is a good idea or maybe Fastenal or Grainger? My saw has developed a vibration that persists even when I changed blades. It is still perfectly usable but it makes sense to replace the original belt to see how much it contributes to the vibration. Thanks.