The Water Pump assembly is constructed from several parts from which the Cover-pump,water is the most expensive.
Parts such as the Water Pump: Washer,plain, Roller,4x8, Cover-pump,water, Bolt-flanged-small,6x are included in the Kx450fff 2015 Europe Water Pump parts fiche.
Of all the components that make up this Water Pump the Circlip-type-c,10mm has the lowest price.