Some items from this specific schematic: Damper, Gauge,fuel, Clamp, Cap,fuel Gauge.
Of all the components used in this assembly the Tank-comp-fuel is the most expensive.
The most reasonably priced component used on the Kaf620-m9f Mule4010 2009 Usa / 4x4 Fuel Tank(m9f/maf) is the Bolt-flanged,6x30.