Genuine OEM Volkswagen Coolant Hose, part number 7E0121447. This hose is designed to transport coolant efficiently throughout the engine cooling system, maintaining optimal operating temperatures. It connects various components within the engine bay, ensuring a sealed and effective coolant path. Weighing 0.078 kg and measuring 0.34 meters in length, this hose is built to precise dimensions. Using a genuine OEM hose ensures correct routing, material compatibility, and resistance to temperature and pressure fluctuations, preventing leaks and system failures.