Genuine OEM Volkswagen Engine Coolant Hose, part number 2QB122109E. This flexible hose is an integral part of the engine cooling system, responsible for transporting coolant between various components. It ensures efficient heat exchange and helps maintain the engine's optimal operating temperature, preventing overheating. Weighing approximately 0.078 kg, this genuine OEM hose is engineered for correct routing geometry and resistance to high temperatures and corrosive coolants, ensuring long-term reliability.