Genuine OEM Audi Coolant Pipe, part number 4G0121481AM. This pipe is a vital component of the engine cooling system, responsible for carrying coolant between various cooling components to maintain optimal engine temperature. It is positioned on the left side of the engine bay, forming part of the intricate coolant circulation path. Constructed from durable materials, this pipe measures approximately 0.51 meters in length and weighs 0.184 kg. Using a genuine OEM coolant pipe guarantees precise fitment, correct routing, and resistance to thermal stress and corrosion, ensuring long-term reliability and preventing leaks.