The forty-one Kaf620-b5 Mule2520 1999 Usa Radiator component parts are all listed in this schematic.
Some items from this specific schematic: Hose-cooling,lh,intak, Radiator-assy, Nut, Grommet,reservoir Tan.
The Radiator assembly is constructed from several parts from which the Radiator-assy is the most expensive.