This trustworthy water temperature sensor is fully applicable to various old-type EX series excavators. It keeps detecting real-time engine coolant temperature and sends exact data to the monitoring panel. It can effectively remind operators of overheating risks and prevent engine thermal damage effectively. Made with high heat resistant materials and tight sealing design, it maintains stable performance during long site working hours. Produced in line with original factory standards, it owns high induction accuracy, easy installation and long service life for regular equipment maintenance.