Genuine OEM Audi Lower Engine Coolant Tube, part number 4H0121564. This component plays a vital role in the engine cooling system, efficiently carrying coolant between various engine components to maintain optimal operating temperatures. It is positioned as a lower connection within the cooling circuit. Weighing approximately 0.08 kg and measuring 0.185 meters in length, this tube is engineered for precise fitment and durability. Using a genuine OEM coolant tube ensures correct routing geometry, material compatibility with engine fluids, and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system integrity.

Catalogue entry: WATER PIPE lower.