Of all the components that make up this Thermostat - Water Pipe the Bolt,flange,6x25 has the lowest price.
Parts such as the Thermostat - Water Pipe: Cover,thermostat, Case,thermostat, Stay,thermostat, Thermostat are included in the Cx500c Custom 1980 (a) Germany / 27ps Thermostat - Water Pipe parts fiche.
The twenty-four Cx500c Custom 1980 (a) Germany / 27ps Thermostat - Water Pipe component parts are all listed in this schematic.