The service center number here should do it; Dead Link Removed
I needed to order a couple a few years ago, it was very painless. Called them, and it was in my mailbox a few days later. Slightly more $'s than the ebay generic kit sellers but only by maybe a couple of bucks.
Some day, I suppose. While replacing magazine light seals is a no brainer, I would not trust the camera body to any but a professional. Although, I once brought a 1600F back to life.....