Oil pump repair/replacement

Bad luck, they are not repairable due to the fact you cannot weld that
material. The late ones are made of alum. I purchased a new one
several years ago, and best price was from A.E.R.O. parts people.

Does anyone know where I can get repair/rebuild/replacement for the accessory case for my C75 12-F Continental engine? I have combed Trade-A-Plane, Barnstormers, and the internet without success.