Parts such as the Signal Generator: Washer,lock, Screw(5x12), Screw, Rotor,signal are included in the Gs450l 1987 (h) Usa (e03) Signal Generator parts fiche.
The most reasonably priced component used on the Gs450l 1987 (h) Usa (e03) Signal Generator is the Screw.
nine components are shown in this Gs450l 1987 (h) Usa (e03) Signal Generator exploded diagram.