Greg A Saginaw , MN December 06, 2014 Appliance: Whirlpool Mixer K5SS Whirlpool Mixer K5ss: Wife needed replacement beater for her kitchen aid mixer. How to replace K5ab 5 Quart Kitchenaid Flat Beater. Found correct sized beater on your site and ordered. 12 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes