This new coolant temperature sensor matches OEM part numbers 89422-33030 and 8942233030 exactly. It suits diesel engine installation and assembly perfectly. It reads live coolant temperature with high accuracy, and transmits steady signals to avoid engine overheating risks. Built with premium precision sensor components and a robust heat-resistant housing, it maintains smooth operation during extended heavy-duty cycles. It meets full original factory quality grades, and serves as a trustworthy aftermarket replacement for diesel engine repairs and regular servicing.