I will send links some others have used. I havent myself but have talked to kentucky tractor on phone.http://www.midsouthsalvage.net/ also try http://www.wkytp.com/default.asp Someone will probably jump in before long. You can call these. Also welcome to site you are close to me being from Knoxville.handy
I'd look for an alternative source too. The local Kubota dealer quoted me $395 for a new one. Decided to paint mine. What does that thing do anyway? Does it just Muffle?