Genuine OEM Audi Coolant Hose, part number 5WA121108. This hose is a critical component for circulating coolant through the engine and radiator to maintain optimal operating temperatures. It is positioned within the engine cooling system and features a quick connect fitting for secure and easy installation. Constructed from high-quality rubber and plastic materials, it is designed to withstand high temperatures and pressures. Genuine OEM parts are manufactured to precise specifications, ensuring proper flow and preventing leaks for reliable engine cooling.