leaking slave cylinder part no help

[4x4ledbury]

i got a leak in my clutch slave cylinder and i know where its coming from. Because im losing fluid its the union that bolts into the bottom of the slave then to the clutch pipe that carries the fluid and im after that part no really. i know western really good with part no but any help would be appreciated thanks

[TD5 power]

hi

if its the short metal pipe your after the number is NTC9595

hth

matt