Genuine OEM Volkswagen Fuel Pressure Regulator, part number 4M4201549. This crucial device is responsible for maintaining a consistent and optimal fuel pressure within the fuel delivery system, ensuring proper fuel injection and efficient engine operation. It is typically located within or near the fuel tank assembly. Weighing 1.249 kg, this genuine OEM pressure regulator provides precise pressure control and long-term reliability, essential for engine performance, fuel economy, and emissions compliance.