Parts such as the 36 Taillight: Bulb, Taillight Unit Assy, Collar, Washer, Plate are included in the Sr400 2016 2rdb Europe 1r2rd-300e1 36 Taillight parts fiche.
The twenty-two Sr400 2016 2rdb Europe 1r2rd-300e1 36 Taillight component parts are all listed in this schematic.
The Bolt (4fl) is the cheapest item from this partsfiche.