Genuine OEM Audi Engine Coolant Hose, part number 5Q0121109R. This component is vital for the engine's thermal management, designed to transfer coolant efficiently throughout the cooling system. It is precisely shaped for correct routing and connection within the engine bay. Constructed from high-quality, heat-resistant rubber, it measures approximately 0.2 meters in length and weighs 0.0796 kg. Using a genuine OEM coolant hose ensures optimal fitment, resistance to high temperatures and pressures, and long-term durability, preventing leaks and maintaining cooling system integrity.