Genuine OEM Volkswagen Pressure Regulator, part number 0261330351. This regulator is responsible for maintaining the correct fuel pressure within the fuel rail, ensuring optimal fuel delivery to the injectors. It is part of the fuel system assembly. Constructed with high-quality materials and precise calibration to ensure consistent and reliable pressure control. Genuine OEM pressure regulators are calibrated to exact specifications, ensuring the correct fuel pressure for optimal engine performance and efficiency.