The Screw, Tapping(4hp) is the most widely applied product in the GTS1000 1998 4BH6 SWEDEN 284BH-300E1 HEADLIGHT ( four times ).
The Bulb is the lowest priced item on this Headlight schematic.
A sample from the products for the Headlight include: Plug, Collar(4bh), Bulb, Nut, Flange(jn5).