The component with the lowest price in the RADIATOR. HOSE schematic is the Screw Pan Head.
The most expensive part in this assembly is the Radiator Assy.
Parts such as the Radiator. Hose: Joint 1, Union(2yy), Screw Pan Head, Bolt(1kt) are included in the Dt125r 1991 3rm3 Germany 213rm-332g1 Radiator. Hose parts fiche.