The Suzuki FRONT BRAKE HOSE has thirteen products enlisted in the schematic.
The most reasonably priced component used on the Gs1000s 1979 (n) Usa (e03) Front Brake Hose is the Washer(10x15x1.5).
This FRONT BRAKE HOSE assembly utilises four Washer(10x15x1.5)(s) - the highest specified component.
