Genuine OEM Volkswagen Engine Coolant Hose, part number 4M0121449CE. This hose is a critical part of the engine cooling system, responsible for transporting hot and cold coolant between engine components and the radiator. It ensures efficient heat exchange to maintain optimal engine operating temperature. Weighing approximately 0.0945 kg, this hose is designed for specific routing and pressure. Using a genuine OEM coolant hose guarantees the correct material composition, flexibility, and resistance to high temperatures and corrosive coolants, preventing leaks and ensuring reliable engine cooling.