** Also the pictures in the link are different from my machine **
Did you also check the link at the bottom of that page titled "Agitator Dog Replacement Directions"?
** Do u pictures for 90 series kenmore washers? **
No I don't. Most of the agitators used on Whirlpool built 'Direct Drive' model like yours should be basically the same, however you may need to use a bit of your own ingenuity if yours is slightly different than what is shown.