Genuine OEM Volkswagen Coolant Flange, part number 06A121132T. This component is crucial for regulating coolant flow and distributing it to various parts of the engine cooling system. It typically serves as a housing for the thermostat or as a multi-port connector for coolant hoses. Made from durable plastic, it is designed to withstand high temperatures and pressures within the cooling system. Choosing a genuine OEM flange ensures an exact fit, leak-free operation, and long-term reliability, preventing costly coolant leaks and engine overheating.