Genuine OEM Volkswagen Engine Fuel and Vacuum Pump, part number 03G145209D. This critical component serves a dual function, supplying fuel to the engine's injection system and simultaneously generating vacuum for brake assistance and other engine controls. It is typically mounted on the engine, often driven by the camshaft. Weighing approximately 1.66 kg, this pump measures about 13.7 cm long, 14.9 cm wide, and 8.4 cm high. Opting for a genuine OEM pump ensures precise fuel pressure regulation, consistent vacuum output, and reliable operation, critical for engine performance and safety systems.