Genuine OEM Volkswagen Engine Coolant Hose, part number 5Q0121058P. This hose is a critical component of the engine cooling system, responsible for transporting coolant between various engine components and the radiator. It ensures efficient heat dissipation to maintain optimal engine operating temperatures. Weighing 0.077 kg and measuring 0.18m in length, this hose is constructed from durable, heat-resistant materials. Using a genuine OEM coolant hose guarantees correct routing geometry, pressure resistance, and material compatibility with engine coolants, preventing leaks and ensuring reliable cooling.