The O-ring 18x3 is the lowest priced item on this Right Crankcase Cover schematic.
The Right Crankcase Cover is made up of components including this Cover Comp,r which is the most expensive.
The sixteen Cbr1000rr Fireblade 2009 (9) Australia / Mme Psw Spc Right Crankcase Cover component parts are all listed in this schematic.