Genuine OEM Volkswagen Coolant Hose, part number 5N0121447T. This hose plays a vital role in the engine's cooling system by transporting coolant between various components to maintain optimal operating temperature. It is located at position 45 in the diagram. Manufactured to strict OEM standards, this genuine part ensures precise fitment and reliable performance. Its robust construction is designed to withstand the demanding conditions of the engine bay, providing durability and preventing leaks.