Genuine OEM Audi Engine Water Coolant Hose, part number 4M0819375F. This critical component is responsible for transporting water and coolant throughout the engine's cooling system, effectively managing engine temperature. It is integrated within the complex network of cooling lines. Constructed from high-quality, heat-resistant rubber, this hose measures approximately 0.295m in length. Choosing a genuine OEM coolant hose ensures precise fitment, optimal routing, and resistance to extreme temperatures and pressures, preventing leaks and maintaining engine health.