.This brand-new coolant temperature sender is a practical core part for diesel engines. It steadily detects actual circulating water temperature and feeds clear data to instrument panels. It helps operators monitor engine thermal status closely, so as to prevent sudden overheating issues and prolong engine service lifespan. Made of sturdy temperature-resistant materials and equipped with tight sealing structure, it can resist long-term liquid corrosion and ambient temperature shifts, delivering dependable performance for regular mechanical operation.