Genuine OEM Audi Engine Coolant Pipe, part number 4M0121485CJ. This rigid pipe is essential for routing coolant through the engine cooling system, maintaining optimal engine operating temperatures. It is positioned as a connection within the primary engine cooling circuit. Weighing 0.144 kg and measuring 0.408 m in length, it features a specific curved geometry. Using a genuine OEM pipe ensures precise fitment, correct material durability, and reliable, leak-free coolant flow, which is critical for preventing engine overheating.