Genuine OEM Audi Engine Coolant Pipe, part number 4M0121485CQ. This pipe is an integral part of the engine's cooling system, responsible for transporting coolant to various engine components to regulate temperature. It is located within the complex network of coolant lines. Weighing 0.064 kg and measuring approximately 0.25 meters in length, this pipe is engineered for durability and resistance to corrosion and temperature extremes. Choosing a genuine OEM coolant pipe ensures exact routing, secure connections, and long-term reliability within the high-pressure cooling system.