Genuine OEM Nissan Fuel Tank Pump, part number 170404EF1A. This complete fuel pump module is situated within the fuel tank and is responsible for drawing fuel from the tank and delivering it under pressure to the engine's fuel system. It also typically incorporates the fuel level sender unit to provide accurate fuel gauge readings. Proper functioning of the fuel pump is vital for consistent engine performance and drivability. Genuine OEM fuel pump assemblies are designed for precise flow rates and durability, ensuring reliable fuel delivery and accurate fuel level monitoring.