Genuine OEM Audi Engine Coolant Hose, part number 80A819370B. This hose is a critical component of the engine cooling system, responsible for transporting coolant between various engine components. It ensures proper heat dissipation and maintains optimal engine operating temperatures. Weighing 0.0963 kg, this hose is engineered from durable, heat-resistant materials. Using genuine OEM coolant hoses guarantees correct routing geometry, resistance to extreme temperatures and pressures, and long-term leak-free performance.