The most expensive part in this assembly is the Case,air/c.
The component with the lowest price in the AIR CLEANER schematic is the Bolt-washer,6x32.
Parts such as the Air Cleaner: Element,air/c, Band 46,air Clean, Cover,air/c Case, Collar,air/c Set are included in the Nh90 Lead 1993 (p) Spain Air Cleaner parts fiche.