After years of use your fuel sending unit can wear out or stop working entirely. When that happens it can cause your fuel gauge not to work or even send incorrect readings to the fuel gauge. Ensure that you always know how much fuel you actually have in the tank by replacing your worn out original with this quality reproduction fuel sending unit. Designed to exact factory specifications each fuel sending unit will replace the original in every detail. Each unit comes complete with fuel sender seal premium-grade filter and brass float.{specs}.