Genuine OEM Volkswagen Engine Coolant Hose, part number 7T0121108A. This hose is a critical component of the engine cooling system, responsible for circulating coolant to dissipate heat and maintain optimal engine operating temperatures. Weighing approximately 0.29 kg and measuring 0.34 m in length, it is designed for precise routing and connection. Using a genuine OEM coolant hose ensures proper fit, material integrity, and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system efficiency.