The Genuine Porsche Engine Coolant Level Sensor (part number 99764150300) is a component used in Porsche vehicles to monitor the level of coolant in the engine. This sensor is responsible for sending a signal to the vehicle's computer system when the coolant level is low, alerting the driver to add more coolant. It is a genuine Porsche part, ensuring high quality and compatibility with the vehicle. This sensor is essential for maintaining the proper functioning and longevity of the engine.