The CALORSTAT by Vernet WS2561 is a high-quality coolant temperature sensor designed to provide precise readings of your engine's coolant temperature. This sensor plays a crucial role in the engine management system, influencing fuel injection, ignition timing, and cooling fan operation. Proper functioning of the coolant temperature sensor is vital for maintaining optimal engine operating temperature. It helps prevent overheating by signaling the engine control unit (ECU) to activate the cooling fan when necessary. It also ensures the engine runs efficiently by providing the ECU with accurate data for fuel mixture calculations, especially during cold starts. Crafted with durable materials and engineered to meet strict quality standards, the WS2561 offers reliable and long-lasting performance. Its direct-fit design ensures easy installation, replacing your old or faulty sensor seamlessly. Trust CALORSTAT by Vernet for dependable engine temperature monitoring.