Genuine OEM Jaguar Engine Thermostat, part number AJ814048. This vital component is responsible for regulating the engine's coolant temperature, ensuring the engine operates within its optimal thermal range for efficiency and longevity. It is integrated into the engine cooling system, controlling coolant flow. Constructed from durable plastic and metal components, it is designed for precise temperature control. Choosing a genuine OEM thermostat guarantees accurate calibration and reliable operation, preventing overheating or undercooling and protecting critical engine components.