Genuine OEM Volvo Radiator Heating Hose, part number 30645797. This hose is designed to carry heated coolant from the engine to the radiator, playing a crucial role in the vehicle's heating system. It ensures efficient heat exchange for cabin comfort. Genuine Volvo hoses are constructed from durable, heat-resistant materials to withstand the high temperatures and pressures of the cooling system, preventing leaks and ensuring reliable performance.