This ASHIKA coolant temperature sensor, part number 64-02-201, is designed to precisely monitor the engine's coolant temperature. Accurate temperature readings are crucial for the engine control unit (ECU) to manage fuel injection, ignition timing, and cooling fan operation, thereby ensuring the engine runs efficiently and avoids overheating. Engineered to meet or exceed original equipment specifications, this sensor provides reliable and consistent performance. Its direct-fit design simplifies installation, making it a straightforward replacement for your vehicle's faulty or worn-out sensor. Trust ASHIKA for quality components that maintain your vehicle's optimal operating conditions.