Widespread fit for engine This electric cooling fan temperature sensor switch provides a general solution for various automotive applications, with compatibility for most engine radiators, manifolds, or water outlets, guaranteeing precise temperature control. Long lasting metal construction Built from enduring metal materials, this sensor switch withstands harsh engine compartment conditions, providing reliable temperature measurement and consistent performance over extended periods of use. Broad liquid compatibility Suitable for measuring temperatures of water, motor oil, and coolant, this switch serves automotive, marine, and industrial applications, with its 1/8 inch NPT port design for easy installation. Accurate thermal regulation Guaranteeing cooling performance, this sensor activates at 210°F and deactivates at 145°F, effectively avoiding engine overheating while maintaining efficient radiator fan operation. Applications Automotive cooling systems to control radiator fan engagement based on liquid temperature. Marine engines to regulate cooling around waterbased cooling loops. Industrial equipment and machinery requiring reliable liquidtemperaturedriven fan control.