Does anyone know where I can find the white socket bush thing at the end. It’s on the clutch master cylinder that attaches to the clutch peddle nipple

As you can see it’s missing some of the outer clips that hold the nipple in place

This is the other side of it with the white cross

Does not a replacement master cylinder come with that part fitted?

I’m ideally looking for the white clip as the master cylinder is working

Given the state of the white clip you would be very sensible to fit a new master cylinder.
Look on Ebay , carparts4less, shop4parts etc should not be expensive.

Very unlikely to be supplied as a separate part, so only available as part of a complete cylinder.

Find some solutions here:
https://www.fiatforum.com/bravo/315...white-clip-broken.html?highlight=clutch+pedal