The most reasonably priced component used on the Lt-f500f Quad Runner 4wd 1999 (x) Usa (e03) Quadrunner Quad-runn Headlamp (model W/x) is the Screw.
Of all the components used in this assembly the Headlamp Assy is the most expensive.
Some items from this specific schematic: Bulb(12v30/30w,stanley 03300a), Screw(3x40), Nut(m3), Screw.