I haven't replaced mine, but when I looked into it the parts was kind of scared off by the price, and wasn't sure exactly what I would need. Looking at the parts diagram there is a separate frame you can buy, but it looks like it is part of the glass assembly. In any case I wasn't thrilled about the idea of spending $450 for the part. Mine isn't horrible yet and doesn't leak so I will probably wait until I am forced to fix it.