The component with the lowest price in the FUEL TANK (VL800 E3) schematic is the Cushion.
On this parts fiche the Cushion is the most specified component.
This schematic depicts all components used in the Vl800c Boulevard C50 2011 (l1) Usa Californ Canada (e03 E33 E28) Fuel Tank (vl800 E3) partslist.