Genuine OEM Volkswagen Coolant Flange, part number 06A121132M. This component is crucial for the engine cooling system, connecting various coolant hoses and precisely directing the flow of coolant to maintain optimal engine temperature. Made from durable, heat-resistant plastic, it ensures a secure and leak-free connection within the cooling circuit. Choosing a genuine OEM flange guarantees the correct hose routing geometry and material integrity, preventing premature failure and maintaining the cooling system's efficiency.