Genuine OEM Volkswagen Engine Coolant Hose, part number 03N121049A. This component is responsible for transporting engine coolant, playing a vital role in maintaining optimal engine operating temperatures. It is positioned within the engine cooling system, connecting various components to facilitate coolant flow. This short, curved hose weighs 0.0642 kg and is constructed from durable, heat-resistant rubber compounds. Using a genuine OEM coolant hose ensures the correct routing, pressure resistance, and material integrity, preventing leaks and maintaining the efficiency of the engine's thermal management system.