This new Water Temperature Sensor 32004554, 320/04554 and 320-04554 fits a wide range of diesel engine parts perfectly. It precisely detects real-time coolant temperature and sends reliable feedback signals to protect engine operation. Made of premium sensing elements and corrosion-proof sealed housing, it works steadily under extreme engine working conditions. Complying with OEM specifications, it features excellent compatibility, sensitive response and long service life for daily engine maintenance.