The Air Cleaner assembly is constructed from several parts from which the Filter-assy-air is the most expensive.
Parts such as the Air Cleaner: Screw-pan Head,6x8, Element-air Filter, Filter-assy-air, Washer-plain-small,6m are included in the Ke100-b13 1994 United Kingdom Air Cleaner parts fiche.
With two applications this Screw-pan Head,6x8 is the most specified part.