Genuine OEM Volkswagen Coolant Hose Flange, part number 06A121132C. This component is an integral part of the engine cooling system, designed to connect multiple coolant hoses and provide a secure, leak-free sealing surface. It is typically made from durable, heat-resistant plastic to withstand engine operating temperatures and coolant chemicals. Weighing approximately 0.16 kg, it ensures proper coolant flow. Choosing a genuine OEM coolant hose flange guarantees precise dimensions, correct material composition, and reliable sealing, preventing coolant leaks and maintaining cooling system integrity.