This fuel pump assembly (model: 31110B2500, 31110-B2500, SP3303M, FG1898, 94460B2000) is equipped with a high-precision pressure sensor, fuel sending unit and filter to ensure low noise, light weight, easy installation, and meet different needs. Its functions include drawing fuel from the fuel tank, delivering it to the fuel pipe after pressurization, and cooperating with the pressure regulator to maintain constant pressure to ensure continuous fuel supply to the injector. We are committed to providing high-quality auto parts that quickly solve customer problems. If you have any questions before or after purchase, please contact us.