Parts such as the Air Cleaner: Clip, Cleaner Assy,air, Tube,breather, Bolt are included in the Gsx600f Katana 1999 (x) Usa (e03) Air Cleaner parts fiche.
This Cleaner Assy,air is the most expensive of the items that make up this Air Cleaner assembly.
The lowest price component in this Air Cleaner parts-list fiche is the Screw 5x12.