Found on german eBay:
https://www.ebay.de/p/6054721925?iid=175628638326
Should bei the right one?
There is a similar discussion in the german part of iFixit:
https://de.ifixit.com/Antworten/Ansehen/623134/Defekte+zerbr%C3%B6selte+Kopfh%C3%B6rerbuchse+reparieren#