Genuine OEM Volkswagen Cooling Hose, part number 7E0121086AA. This hose is a component of the engine cooling system, responsible for transporting coolant between various parts to help regulate engine temperature. It ensures proper fluid circulation and heat dissipation. Weighing only 0.008 kg and measuring 0.058m long, this genuine OEM hose provides the correct material composition and flexibility for reliable, leak-free performance under varying engine conditions, crucial for preventing overheating.