Part required from 03f145725g Mahle actuator

My Monte Carlo 1.2 Tsi was parked for 3 yrs. Smashed off old actuator and gifted another but back cover broken. Opened original Mahle actuator hoping to use the back cover but has different mechanism. If I can get another part like the one in the picture, then I can get it to work (this one has rusted)

It's a long shot, but does anyone have this part, know where I can get it from or even have a Mahle actuator that's not working but has this part intact ?