Genuine OEM Volkswagen Coolant Hose with Quick Release Coupling, part number 3C0122073FA. This hose is an essential part of the engine cooling system, designed to transport coolant efficiently throughout the engine. It incorporates quick-release couplings for reliable and easy installation and removal. The hose is depicted as item 10/11 in the cooling system diagram. Measuring 0.3 meters in length and weighing 0.144 kg, this component is engineered for durability. Using a genuine OEM coolant hose guarantees the correct material properties, precise routing, and secure connections, which are critical for maintaining optimal engine operating temperatures and preventing leaks.