Genuine OEM Audi Engine Coolant Tube, part number 4G0121397. This branched tube is critical for carrying and distributing coolant throughout the engine cooling system, ensuring uniform temperature regulation. It serves as a key distribution point within the engine's coolant circulation path. Weighing approximately 0.209 kg and measuring 0.48 meters in length, it is engineered for robust performance. Using a genuine OEM coolant tube guarantees the correct material, precise branching geometry, and secure connection points, which are essential for preventing leaks and maintaining the integrity of the cooling system.

Catalogue entry: WATER PIPE.