There are a few on ebay for not silly money[notice I did not say cheap]
I would personally caution against buying one that looks like it was detached and ill cared for. I worry about crap getting in the evap
I have one out of my 06 111R that I rolled and wrote of a couple of years ago. Was working fine when I removed it. $200 plus postage but from Perth Western Australia. Let me know if you are interested. If so send me your email and I can send you some photos.