Genuine OEM Audi Coolant Hose, part number 7L8122051B. This flexible hose is a vital component of the engine cooling system, designed to transport coolant between various components, including the radiator, to maintain optimal engine temperature. It features an integrated quick-release coupling for secure, leak-proof, and easy installation or removal. With a length of approximately 0.48 meters and weighing 0.546 kg, this hose is manufactured from durable, heat-resistant materials. Using a genuine OEM coolant hose ensures the correct material composition, precise routing, and reliable quick-release mechanism for a long-lasting and efficient cooling system.