The sub assemblies and components that make up this Taillight include this Unit Taillight, the most expensive part.
Parts such as the Taillight: Pkg.,tail.base, Lens,taillight, Lens,tail Light, Rub,taillight Mt are included in the Vt700c Shadow 1984 (e) Usa California Taillight parts fiche.
The component with the lowest price in the TAILLIGHT schematic is the Nut,hex.,cap,4mm.