Genuine OEM Audi Engine Coolant Hose, part number 022121049B. This vital component is designed to transport coolant efficiently throughout the engine cooling system, helping to maintain the engine's optimal operating temperature. It is a molded rubber hose with specific bends and branches for precise routing. Weighing approximately 0.12 kg, this hose is engineered from high-quality, heat-resistant rubber compounds. Using a genuine OEM coolant hose ensures correct routing geometry, resistance to extreme temperatures and pressures, and long-term durability, preventing leaks and system failures.