The lowest price component in this Headlamp Housing (vl1500bl4 E03) parts-list fiche is the Washer(6.5x20x1.2).
In this schematic the "Cushion" is used most often.
A sample from the products for the Headlamp Housing (vl1500bl4 E03) include: Screw(5x16), Washer(6.5x20x1.2), Spacer(6.5x9x10), Cover,headlamp Hsg.