yup, I've found that the best unions to use are the oem ones, so if yours arent mangled I'd re-use them.
I keep a tub of ones I've removed from scrap cars for cases where the union isn't salveagable
I keep a tub of ones I've removed from scrap cars for cases where the union isn't salveagable
need a part number? http://public.servicebox.peugeot.com/ and http://service.citroen.com/ will sort you out.