Engine Coolant Temperature Sensor - Function and benefits: Provides precise coolant temperature data to the engine control unit, enabling proper fuel delivery, ignition timing, and cooling fan operation. This supports reliable cold starts, smooth idle, and consistent performance. - OE Standards: Our product is designed and manufactured with modern tooling, ensuring optimal quality and reliability. - Quality Manufacturing: Replacement parts are designed to the same specifications and use better, more durable materials than those provided by the OEM. - Direct Replacement: This direct fit replacement installs seamlessly, just like the factory unit. - Compatibility and performance: Built to meet OE specifications, ensuring a proper fit and dependable operation within your engine management system. - Use scenarios: 1) Replacing a faulty coolant temperature sensor that triggers check engine light or causes rough idle. 2) During cooling system service or thermostat replacement to ensure accurate temperature readings after reassembly. 3) As part of routine maintenance on high mileage engines to maintain optimal engine management and performance.