There is no separate part as far as I know - when the electric wire is plugged into a component then that's it. No separate bits are required to seal the component or protect it from water.
What derailleur is on that E-160?
All Shimano replacement part numbers can be found on Manuals &...
Don't worry, it's not your computer that's the problem. This morning Shimano also figured out that their app was broken and removed version 3.4.4. The older 3.4.1 and 3.4
3 still work though.
To get to the download, visit the etube page, get/copy the download url and change the last digit...