Genuine OEM Volkswagen Coolant Hose, part number 7E0121058AC. This flexible hose is a critical component of the engine cooling system, designed to transport coolant between various engine parts to maintain optimal operating temperatures. Weighing 0.059 kg, it measures 0.085m in length. Using a genuine OEM coolant hose ensures the correct material composition, resistance to heat and pressure, and precise fitment, preventing leaks and ensuring the longevity of the cooling system.