Genuine OEM Audi Left Coolant Pipe Connection, part number 079121131BK. This component serves as a critical connection point, facilitating the precise routing and flow of coolant between various engine cooling system components. It is positioned on the left side of the engine assembly, connecting key coolant lines. Weighing approximately 0.07 kg, this pipe connection is designed for durability in high-temperature environments. Using a genuine OEM coolant pipe connection ensures exact dimensions, proper sealing surfaces, and resistance to thermal cycling and chemical degradation, preventing leaks and maintaining optimal engine temperature.