Product review (3 stars): so I'm not terribly concerned by it
since this as a generic one size fits all kind of fan, I had to make some modifications to it to make it work.  It's a little noisy because of my modifications, but it's in a spare fridge in the basement, so I'm not terribly concerned by it. Also at a third of the price of the OEM part, it was worth spending a half hour modifying the part to fit and work