Genuine OEM Audi Engine Coolant Hose, part number 1K0121096A. This essential component is designed to transport engine coolant between various engine and cooling system components, playing a vital role in maintaining optimal engine operating temperatures. It is a molded rubber hose, engineered for specific routing and connections within the engine bay. Measuring approximately 0.207 meters in length, it is constructed from high-quality, heat-resistant rubber compounds. Using a genuine OEM coolant hose ensures precise fitment, correct routing geometry, and superior resistance to heat and coolant chemicals, preventing leaks and premature failure.