Genuine OEM Audi Coolant Hose, part number 7L8122073F. This hose plays a vital role in the engine cooling system by efficiently transferring coolant between various engine components to maintain optimal operating temperatures. It is a curved hose, measuring 210mm in length and weighing 0.105 kg. Genuine OEM coolant hoses are engineered with specific material compositions and internal reinforcement to withstand high temperatures and pressures, ensuring reliable, leak-free performance and preventing engine overheating.