Genuine OEM Audi High Pressure Fuel Pump, part number 03H127025. This vital component is responsible for delivering fuel at the precise high pressure required by modern direct injection engine systems. It ensures accurate fuel atomization and efficient combustion, which are critical for engine power, fuel economy, and emissions control. Weighing approximately 0.884 kg, this pump is a robust metal assembly. Choosing a genuine OEM high pressure fuel pump guarantees the correct operating pressures, flow rates, and electronic integration, preventing fuel delivery issues and maintaining engine reliability.