Product review (4 stars): Fit my Frigidairie pld4375rfco well and fixed the dishwasher. ...
Fit my Frigidairie pld4375rfco well and fixed the dishwasher.  I suspect the reviewer who said it did not fit did not push down enough on the install to catch the quarter turn nut.  Have your assistant (wife) push down on the unit from the top and you catch the threading from inside the washer.