The component with the lowest price in the 019 BATTERY BOX MOUNT schematic is the Spring Washer 6mm Din137b.
This part-list fiche shows all the components that make up the M620s 2002 Eu (monster 620s) 9151-1411a 019 Battery Box Mount .
The sub assemblies and components that make up this 019 Battery Box Mount include this Battery Assy (yt12b-4), the most expensive part.