With four applications this O Ring,17.3x2.4 is the most specified part.
The Washer,plug,drain 12 is the lowest priced item on this Gasket Kit B schematic.
Parts such as the Gasket Kit B: O-ring, O Ring,48.1x3.6, O-ring 18x3, O-ring C Case are included in the Cb600f Hornet 2004 (4) Netherlands 25k Gasket Kit B parts fiche.