are you doing it yourself?
if so youll want the 3 bolts that attach to the diesel pump and the cam sprocket bolt too aswell as the belt kit and waterpump.
once its all done youll probably have trouble starting it, as the timing is hard to get spot on without getting the timing cloud checked on vag com. its any easy enough job though, hardest bit is removing the engine mount bracket away from between the engine and chassis leg