Genuine OEM Volkswagen Engine Coolant Hose, part number 3C0121058AS. This hose is designed to carry coolant throughout the engine cooling system, ensuring efficient heat transfer and maintaining optimal engine operating temperatures. It is a critical component for preventing engine overheating. Weighing 0.054 kg, this genuine OEM hose ensures correct routing geometry and resistance to extreme temperatures and pressures, preventing leaks and maintaining efficient cooling system operation.