Genuine OEM Audi Coolant Hose, part number 8K0145921Q. This hose is designed to transport coolant efficiently within the engine cooling system, playing a vital role in maintaining optimal engine operating temperature. It is positioned on the left side of the engine bay. Weighing 0.175 kg and measuring 0.495 meters in length, this hose is constructed from durable materials to withstand high temperatures and pressures. Using a genuine OEM coolant hose ensures precise fitment, resistance to degradation, and reliable, leak-free performance, preventing potential engine overheating and damage.