Replacement for the aluminium Part to hold your bowden tube save.

Push fitting:

https://www.amazon.de/gp/product/B07143R4QK/ref=as_li_ss_tl?ie=UTF8&psc=1&linkCode=sl1&tag=rics3d-21&linkId=1e3f1fbbae2901f5520fb06dfc1b1764&language=de_DE