Genuine OEM Volkswagen Engine Coolant Hose, part number 5Q0122157BB. This hose is a vital component of the engine cooling system, responsible for transporting coolant to maintain optimal engine operating temperatures. It is designed to withstand high temperatures and pressures within the cooling circuit. Weighing approximately 0.438 kg, this hose ensures a secure and leak-free connection. Using a genuine OEM coolant hose guarantees the correct material composition, flexibility, and heat resistance, preventing premature failure and maintaining the integrity of the cooling system.