Genuine OEM Audi Coolant Hose with Quick Clutch, part number 4H0121101S. This hose is engineered to efficiently transfer coolant between various engine components, crucial for maintaining optimal operating temperatures. It features a quick clutch connection for secure and straightforward installation within the cooling system. The hose weighs 0.416 kg and measures 0.4 meters in length. Opting for a genuine OEM coolant hose guarantees the correct material specifications, pressure resistance, and exact connection points, ensuring a leak-free and durable cooling system.