This durable 2-pin coolant temperature sensor is manufactured strictly in accordance with original factory standards. It is widely compatible with 3.0, 4.3, 5.0 and 5.7 liter diesel engines. It can accurately detect cooling water temperature and transmit stable electrical signals to engine control system. Made of high quality heat-resistant and anti-corrosion materials, it owns strong vibration resistance and long service life. It effectively prevents engine overheating failure and guarantees stable daily operation of diesel engines.