RepairPal Certified shops can diagnose and repair your 2004 Buick Rendezvous. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
I know the radiators and window parts and peices are interchangeable, but you can also call you local part store and ask if the transmission is as well. They can look it up by the part numbers. If the part numbers are the same they are interchangeable.