Genuine OEM Jaguar Lower Coolant Hose, part number C2D23172. This vital component is part of the engine cooling system, responsible for circulating coolant between various engine components and the radiator. It specifically functions as a lower hose, typically connecting the radiator outlet to the engine's water pump or thermostat housing. Constructed from durable, heat-resistant rubber, this hose is designed to withstand high temperatures and pressures within the cooling system. Choosing a genuine OEM coolant hose ensures the correct material composition, precise routing geometry, and secure connections, preventing leaks and maintaining efficient engine cooling.