This MEAT & DORIA coolant temperature sensor, part number 82115, is designed to provide precise measurements of your engine's coolant temperature. Accurate temperature readings are crucial for the proper functioning of your vehicle's engine management system, including fuel injection and ignition timing. By reliably reporting the coolant temperature, this sensor helps prevent overheating and ensures that your engine operates within its ideal temperature range. This contributes to better fuel efficiency and reduced emissions. It is a direct replacement for the original equipment sensor.