wd24x10018 for ge dishwasher drain check valve showinggo description<br> dishwasher back ends piston and nut.<br> if your dishwasher is not draining then this could be one of the causes. <br> if the gasket around the piston and nut has disintegrated then you'll have to replace it.<br> compatible with ge, hotpoint, and kenmore/sears models.