Genuine OEM Volkswagen Coolant Hose, part number 5C0122101AL. This hose is a vital component of the engine cooling system, responsible for circulating coolant between the engine and the radiator to regulate operating temperature. It features quick-release couplings for efficient and secure connections, simplifying maintenance and installation. Positioned within the engine bay, its specific routing ensures optimal coolant flow. Weighing 0.633 kg and measuring 0.54 m in length, this hose is engineered for durability under high heat and pressure. Using a genuine OEM coolant hose guarantees the correct material properties and coupling design, preventing leaks and ensuring the long-term reliability of the cooling system.