Genuine OEM Audi water flange, part number 06B121132E. This component serves as a connection point for coolant hoses, directing the flow of coolant through the engine to maintain optimal operating temperature. It is marked as number 28 in the diagram and includes a sealing ring and quick coupler. Manufactured with durable materials to withstand high temperatures and pressures. Genuine OEM water flanges are engineered for precise fitment and reliable sealing, preventing coolant leaks and ensuring efficient engine cooling.