Genuine OEM Audi Engine Coolant Hose, part number 4E0121088Q. This essential component is responsible for carrying engine coolant, facilitating heat transfer to regulate the engine's operating temperature. It is a shaped hose, designed for specific routing within the engine cooling system. Weighing approximately 0.2665 kg with dimensions of 0.48m x 0.28m x 0.08m, it is constructed from high-quality, heat-resistant rubber compounds. Opting for a genuine OEM coolant hose ensures correct material composition, precise molded shape, and resistance to temperature extremes and chemical degradation, preventing leaks and maintaining cooling system integrity.