The most expensive part in this assembly is the Engine Control Unit.
Parts such as the 18a - Engine Control Unit: Gasket, Cooling Water Sensor, Sensor, Pressure, Clamp 10-7 Mm, Screw are included in the Mts1260sd-air 2018 Eu (multistrada 1260 S D-air) D260-00018 18a - Engine Control Unit parts fiche.
On this parts fiche the Sensor, Pressure is the most specified component.