I agree with the old oak tree.
Always seemed logical to me that vw would always try to have 2 suppliers running for all their parts to ensure good supply flow. Seems to have been the case for most of the bolt on parts during the 50's. Brings back the old Hella/Bosch debate, or VW, SPO, SHO etc etc
"it'll wreck the patina you haven't worked so hard to create" - 50Karmann