Genuine OEM Audi Engine Coolant Hose, part number 4K0145948F. This flexible hose is an essential part of the engine cooling system, responsible for transporting coolant between various engine components. It ensures efficient heat transfer and helps maintain the engine's optimal operating temperature. This coolant hose weighs approximately 0.268 kg. Choosing a genuine OEM coolant hose guarantees the correct material composition for heat and pressure resistance, precise routing geometry, and long-term flexibility to prevent leaks.