The Washer is the most widely applied product in the GS750B 1978 (C) USA (E03) FRONT BRAKE HOSE (GS750EC ( four times ).
Parts such as the Front Brake Hose (gs750ec: Washer, Joint,brake Hose, Washer, Guide,brake Hose are included in the Gs750b 1978 (c) Usa (e03) Front Brake Hose (gs750ec parts fiche.
The Washer is the cheapest item from this partsfiche.