Genuine OEM Audi Cooling System Pipe Fitting, part number 079121131BC. This essential component serves as an adapter, connecting various pipes within the engine's cooling system. Its precise design ensures a secure and leak-free connection, vital for maintaining proper coolant circulation. Made from durable materials, it is engineered to withstand the thermal and pressure demands of the cooling system. Choosing a genuine OEM fitting guarantees exact dimensions, material integrity, and reliable performance, preventing coolant leaks and system malfunctions.