Genuine OEM Volkswagen Coolant Water Hose, part number 3QF121064F. This hose is designed to transport coolant efficiently throughout the engine cooling system, maintaining optimal engine operating temperatures. Its specific routing and connections are crucial for proper coolant flow. Measuring 0.57 m in length, this hose is constructed from durable, heat-resistant materials to withstand engine bay conditions and prevent leaks, ensuring reliable cooling performance.