The twenty-two Cb550sc Nighthawk 1983 (d) Usa Left Side Cover / Rectifier component parts are all listed in this schematic.
A sample from the products for the Left Side Cover / Rectifier include: Collar,chain Case, Grommeta,case, Relay Comp,winker, Pl.electric Base.
The Left Side Cover / Rectifier is made up of components including this Ignitor Unit Assy which is the most expensive.