This water temperature sensor with part number 2747395 is specially engineered for D5N D6R D8N D8T D9T 621B and 621G engines. It accurately detects engine coolant temperature in real time and transmits stable signals to the control unit for proper temperature regulation. Adopted with high-sensitivity thermistor core and durable sealed housing, it works steadily under harsh high-temperature and vibrating working conditions. Fully meeting OEM quality standards, it is an ideal aftermarket spare part for engine routine maintenance and repair.