Genuine OEM Volkswagen Coolant Hose, part number 5WA815369A. This hose is designed to transport coolant within the engine's cooling system and features a quick-release coupling for easy installation and removal. It ensures efficient flow and proper connection. The part is located at position 9 in the diagram. Genuine OEM parts are manufactured to precise specifications, ensuring exact fitment and material integrity for reliable and long-lasting performance in the cooling system.