This MEAT & DORIA coolant temperature sensor, part number 82404, is designed to provide precise measurements of your engine's coolant temperature. Accurate temperature data is crucial for the engine control unit (ECU) to manage fuel injection, ignition timing, and cooling fan operation. By reliably reporting the coolant temperature, this sensor helps prevent engine overheating, improves fuel economy, and contributes to smoother engine operation. It is manufactured to meet or exceed original equipment specifications, ensuring a proper fit and function. Proper functioning of the coolant temperature sensor is vital for maintaining your vehicle's overall health and performance. A faulty sensor can lead to incorrect temperature readings, potentially causing engine damage or poor driving characteristics.