Parts such as the Winker (1): Bulb (12v10w), Winker Assy L.fr., Screw,4x12, Lens R Winker are included in the Sfx50 1997 (v) England Winker (1) parts fiche.
The Winker (1) is made up of components including this Winker Assy L.fr. which is the most expensive.
In this schematic the "Screw,4x12" is used most often.