The lowest price component in this Fuel Tank (s1-a) parts-list fiche is the Clamp-fuel Pipe.
A sample from the products for the Fuel Tank (s1-a) include: Filter,fuel, Gasket-fuel Cock Cup (nas), Tank-fuel,c.blue, Tap-assy,fuel.
The sub assemblies and components that make up this Fuel Tank (s1-a) include this Tank-fuel,c.orange, the most expensive part.