Genuine OEM Audi Coolant Hose Assembly, part number 5N0122101R. This multi-branched hose, often referred to as a Y-split hose, is designed to distribute engine coolant to various components within the cooling system, ensuring efficient thermal management. It features integrated couplings for secure and leak-free connections. Weighing approximately 0.779 kg with dimensions of 0.62m x 0.42m x 0.11m, it is constructed from durable, heat-resistant rubber compounds with robust plastic or metal couplings. Choosing a genuine OEM coolant hose assembly guarantees precise routing geometry, correct material specifications, and reliable sealing, which are critical for preventing coolant leaks and maintaining optimal engine cooling performance.