The component with the lowest price in the SEAT (VL800C E3) schematic is the Washer(6.5x20x1.6).
In this schematic the "Cushion,seat(40x20x15)" is used most often.
This part-list fiche shows all the components that make up the Vl800 Boulevard C50 2011 (l1) Usa California Canad (e03 E33 E28) Seat (vl800c E3) .