On this parts fiche the Clip B,fuel Hose is the most specified component.
A sample from the products for the Air Suction Valve include: Nut,flange,6mm, Tube A,air Pipe, Clamp C,fuel Hose, Tube,asv Control.
The lowest price component in this Air Suction Valve parts-list fiche is the Screw-washer,5x18.