mechanic told me to get a new thermostat housing aswell, if anybody has one??? ive just hd a burst pipe on it today

its a metal pipe, i think it comes out the top of the turbo goes into a rubber section (about three inches long which is the burst bit) then onto the metal pipe which joins a hose then goes into the top of the radiator??? its pissing out water and anti-freeze!!???
cheeRS guys!!