Genuine OEM Volkswagen Flange, part number 026121144E. This flange connects components within the engine's cooling system, ensuring proper coolant flow and preventing leaks. It is typically located where hoses or pipes attach to the engine block or thermostat housing. Constructed from durable composite materials for resistance to heat and coolant. Genuine OEM parts are manufactured to precise specifications for optimal fit and function, crucial for maintaining the cooling system's efficiency and preventing costly engine damage.