Perfect to keep that fuel system pumping strong, these FASS Fuel Systems HD series replacement pumps will get that fuel air separation system back up to the performance that your truck has come to expect. They require no removal of the filter assembly to install; only the replacement of the pump housing. These replacement pumps will get your FASS fuel system back up to par and keep your thirsty ride quenched and fueled for many miles to come. They come easy to install, with a pump housing, motor, and T-block assembly included. They offer the easiest fuel system repair you could want, with no plumbing required.