Product review (5 stars): No leaks. Satisfied.
I'm not sure if they've changed the design or not, but mine didn't have any extra washers. There was a plug covering the top that I had to take out before installing it. It went on about as easily as the original one did. After reading a bunch of reviews that mentioned leaking, I left a towel under it for a few days in case it did, but it never leaked a single drop. Very satisfied.