One of my old W123's came to me with a medium sized cork whittled to fit...

It worked fine but drove me batty so I replaced it .

Good luck with your treasure trove of parts ! .

__________________
-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better