Genuine OEM Audi Engine Coolant Hose, part number 5WA122101Q. This essential component is designed to transport coolant throughout the engine's cooling system, facilitating heat exchange and maintaining optimal operating temperatures. It forms a critical part of the engine's fluid circulation. Constructed from durable, heat-resistant rubber, this hose is engineered to withstand the demanding conditions of the engine bay. Choosing a genuine OEM coolant hose ensures precise fitment, correct pressure ratings, and superior material quality for reliable, leak-free performance and engine longevity.