Genuine OEM Audi Coolant Hose, part number 4M0122101DR. This durable rubber hose is designed to transport engine coolant efficiently throughout the cooling system, maintaining optimal engine operating temperatures. It is positioned on the right side of the engine bay. Weighing approximately 0.263 kg, this hose features specific bends and connectors for a precise fit. Using a genuine OEM coolant hose ensures resistance to high temperatures and pressures, correct routing geometry, and material compatibility with engine coolants, preventing leaks and system failures.