You can get all the aprts you need from any of the parts dealers such as Langs, Bob's, or Mac's. I know Langs also offers rebuilt one's that you jsut send them your core as well. If you are good with this kind of work I would rebuild it myslef but if you don't feel comfortable or are unsure then either have a local electric motor shop look at it or buy the rebuilt one from Langs and send in your core.