Genuine OEM Audi Engine Coolant Pipe, part number 8K0121071C. This rigid pipe is a critical component for routing coolant within the engine cooling system. It connects to a hose in the lower cooling circuit. Weighing approximately 0.132 kg, it measures 0.28 m in length. Genuine OEM coolant pipes ensure exact routing geometry and material integrity, preventing leaks and maintaining system pressure for optimal engine cooling.