Genuine OEM Audi Engine Coolant Hose, part number 059121058N. This hose is a vital component of the engine cooling system, responsible for transporting coolant to maintain optimal engine operating temperatures. It is typically located within the complex network of hoses connecting various cooling system components. Crafted from high-quality, heat-resistant rubber, it is designed to withstand extreme temperatures and pressures. Using a genuine OEM coolant hose ensures precise fitment, proper fluid flow, and long-term resistance to degradation, preventing leaks and overheating.