The most reasonably priced component used on the Gsx1000s 1982 (z) General Export (e01) Rear Brake Hose is the Washer.
Of all the components used in this assembly the Hose, Rear Brake is the most expensive.
The five Gsx1000s 1982 (z) General Export (e01) Rear Brake Hose component parts are all listed in this schematic.