The Left Side Cover - Rectifier - Fuse assembly is constructed from several parts from which the Rect.assy.,reg. is the most expensive.
Parts such as the Left Side Cover - Rectifier - Fuse: Plate,elec.base, Cushion,a.rrfende, Bolt,flange 6x14, Emblem,cover*a-23 are included in the Cb400ti 1978 Canada Left Side Cover - Rectifier - Fuse parts fiche.
The component with the lowest price in the LEFT SIDE COVER - RECTIFIER - FUSE schematic is the Bolt,flange 6x14.