Product review (5 stars): Works great on my Kenmoore refrigerator; didn't bother making a phone call to the manufacturer.
The total install time for this part was about 5 minutes. You do need to clear the ice between the freezer and the drain for this to work, but a bit of hot water on top of the drain and a screwdriver to poke the ice from the bottom did the trick. The video below is an excellent step by step guide.

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I did run into an issue where a water line was leaking where it connected to a push on fitting at a solenoid. I removed the line, cut about 1/2" off, lubed the o-ring, reinstalled, and that leak was also fixed.