Genuine OEM Audi Engine Coolant Hose, part number 7P0121156L. This critical component is designed to transport engine coolant between various parts of the cooling system, ensuring the engine maintains its optimal operating temperature. It is part of the complex network of hoses within the engine cooling system. Made from durable, heat-resistant rubber, it weighs approximately 0.171 kg and measures 0.367m in length. Choosing a genuine OEM hose guarantees the correct routing geometry, material composition, and pressure resistance for a leak-free and reliable cooling system.