Genuine OEM Jaguar Lower Water Cooler Hose, part number C2Z18115. This hose is designed to transport coolant to and from the cooler, playing a critical role in the engine's thermal management system. It is positioned as a lower hose within the cooling circuit. Weighing approximately 0.685 kg, this genuine OEM hose ensures correct routing geometry, material composition, and fluid resistance for reliable, leak-free operation.