Genuine OEM Audi Engine Oil Cooler Line, part number 079117316B. This line is responsible for circulating engine oil between the engine and the oil cooler, ensuring the oil maintains an optimal operating temperature. It is typically found within the engine bay, connecting the engine block to the oil cooler assembly. Constructed with a durable braided metal and rubber design, it is built to withstand high oil pressures and temperatures. Using a genuine OEM oil cooler line guarantees precise fitment, leak-free operation, and resistance to degradation from engine fluids.