Genuine OEM Volkswagen Coolant Hose with Coupling, part number 3AA122101J. This hose is designed to transport engine coolant within the cooling system, featuring a convenient quick-release connection for ease of installation and service. It is an essential part of the engine's thermal management. Weighing 0.107 kg and measuring 0.135 m in length, this hose provides a secure connection. Choosing a genuine OEM coolant hose ensures the correct material composition, precise dimensions, and reliable quick-release mechanism for a leak-proof and durable cooling system.