Aparently, obsolete over here.
The body shop doing the work on the silver car have successfully destroyed the rear one before even removing the glass. The front one came out with the glass.

Questions
1. Is there an alternative part?

2. Can they be reused?

Other options

85 WR quattro
90 V8 Silver, 91 V8 Black, 93 V8 Lago
93 100e quattro V6. Titan, i think