Genuine OEM Jaguar Auxiliary Coolant Pump, part number C2D37701. This electric pump is designed to circulate coolant within an auxiliary cooling circuit, which often supports components like a turbocharger, supercharger, or intercooler. Its function is critical for maintaining optimal operating temperatures of these components, preventing overheating and ensuring consistent performance. This pump weighs approximately 0.51 kg. Installing a genuine OEM auxiliary coolant pump guarantees the correct flow rate, electrical compatibility, and durability, which are essential for the precise thermal management of critical engine systems.