Genuine OEM Volkswagen Coolant Hose, part number 5C0121447C. This hose plays a vital role in the engine's thermal management system, facilitating the circulation of coolant to prevent overheating. It is situated at position 11 in the provided diagram. Made from durable, coolant-resistant materials, this hose is built to last under demanding engine conditions. Choosing a genuine OEM coolant hose guarantees the correct dimensions, material integrity, and connection compatibility, ensuring the cooling system functions as designed.