Parts such as the Oil Pump: Pipe,oil Outlet Under,r, Bolt, Pipe,oil Outlet Under,l, Pipe,oil Outlet are included in the Gsx600f Katana 1997 (v) Usa (e03) Oil Pump parts fiche.
The most expensive part in this assembly is the Pump Assy,oil.
With four applications this O Ring(d:3.7,id:21.7) is the most specified part.