radiator
Vessel in which the coolant, which circulates around the engine, is cooled by means of flowing air.
cooling fan 
Mechanism with blades blowing air across the radiator in order to cool the liquid it contains.
lower radiator hose 
Rubber hose connecting the cooling-circuit components to each other.
temperature sensor 
Device immersed in the coolant that switches on the fan when the coolant reaches a predetermined temperature.
electric fan motor 
Device transforming electric energy into mechanical energy to drive another device.
grille 
Grating on the radiator’s front side, protecting it from impact.
filler cap 
Cap plugging the radiator’s filling opening and regulating the pressure in the cooling system.