Genuine OEM Audi Engine Coolant Hose, part number 1EA121449L. This hose is a critical component of the engine cooling system, responsible for carrying coolant between various engine components to maintain optimal operating temperature. It is installed within the engine bay, connecting specific parts of the cooling circuit. Weighing approximately 0.204 kg and measuring 0.33m in length, this hose is constructed from high-quality, heat-resistant rubber. Genuine OEM hoses ensure the correct routing geometry, material composition, and pressure resistance for reliable, leak-free performance and long service life.