I have always bought as needed the cheapest top loader agitator, and will keep buying them as long as they are available. Sounds like I’ve had to buy a lot of them, but only about three in the past forty years. Mostly Whirlpool in one form, or another. (Kenmore, Whirlpool, or Inglis are all Whirlpool)
The machine with the actual Whirlpool name on it had the up, and down agitator, and was the best of the bunch, but I couldn’t find one like that again after time took its toll on that one.
Do you know the difference between a Roeper and a Maytag? Not a damn thing. I saw a maytag sitting on the showroom floor next to a roeper They were identical in every way, except that the maytag was $50 more.
CC