The Washer is the lowest priced item on this Rear Fender schematic.
This schematic depicts all components used in the Gsxr750 2004 (k4) Usa (e03) Rear Fender partslist.
With all the components that make up the GSXR750 2004 (K4) USA (E03) REAR FENDER assembly. The Screw(6x16) is the most frequently specified with four applications.