The most reasonably priced component used on the Ec5000dv Ec5000dve Generator Air Shroud - Starter (ec5000dv(e)) is the Bolt, Flange(1ln).
Parts such as the Air Shroud - Starter (ec5000dv(e)): Clamp (7j7), Drum, Sheave, Air Shroud, Cylinder 2, Starter Assy are included in the Ec5000dv Ec5000dve Generator Air Shroud - Starter (ec5000dv(e)) parts fiche.
On this parts fiche the Bolt, Flange(1ln) is the most specified component.