1 x 3535. 3-Way Brake Pipe Union 7/16" for the  XK120 & XK140 brake line systems. This is listed in our extensive catalogue as our part number 3535. This relates to the original Jaguar part number C3922.

IMPORTANT NOTE:  Modern T-connectors do not have the old style reverse cone inside. Check that  any connectors used are compatible as many newer ones have a 4 - 5mm nose collar section that is unthreaded, so you may have to carefully remove this to engage the threads far enough into this old style junction to be safe.