The dishwasher is 4 years old, so I figured since it was leaking from the bottom, replacing the Tub Gasket PN: AP5690109, Splash Shield Kit PN: AP4338941 , and the bottom Door Seal/Gasket PN: AP5809675 was a good idea; the machine probably has around 1200 cycles in 4 years. There's no telling how much the door had opened and closed!? The bottom Door Seal/Gasket was badly worn, and the entire job took me around 30 minutes which included the detailed cleaning of the mating flanges. Take your time, it's an easy job...