Check your other post!!
I got these from a 1991 Replacement Parts Manual that I have the only other parts it lists is the rear window itself and the sealing frame (I assume that is the rubber piece) this is what they list.
Frame, Left # 123 678 09 30
Frame, Right #123 678 10 30
Frame Bottom #123 678 03 30
Joint Cover, Left #123 678 02 37
Joint Cover, Right #123 678 01 37
Sorry in my first post I looked at your signature and looked up the parts for your 126 SD. When I submitted that post I saw and read your question closer. Had to edit a little!