Genuine OEM Volkswagen Coolant Pipe, part number 5WA815097A. This pipe is a critical component responsible for transporting coolant throughout the engine and heating system. It ensures proper circulation of coolant to maintain optimal engine operating temperatures. The part is located at position 1 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.