Genuine OEM Volkswagen Transmission Oil Cooler Hose, part number 5QF317801A. This hose assembly is designed to carry oil to and from the transmission cooler, playing a critical role in maintaining optimal transmission fluid temperature. Weighing 0.68 kg and measuring 0.4 m in length, its precise routing and durable construction are essential for preventing leaks and ensuring efficient cooling. Genuine OEM hoses offer exact fitment and material specifications for reliable, long-term performance under high pressure and temperature.