Genuine OEM Jaguar Heater Pipe Assembly, part number AJ814007. This pipe assembly is a critical component of the engine's cooling and heating system, responsible for circulating coolant to and from the heater core and other engine components. It is installed within the engine bay, connecting various parts of the coolant circuit. Constructed from durable, heat-resistant plastic, it weighs approximately 0.275 kg. Using a genuine OEM heater pipe assembly ensures precise routing, leak-free connections, and long-term resistance to engine temperatures and coolant chemicals.