Erick A Las Vegas , NV June 15, 2019 Appliance: Whirlpool Dishwasher DU948PWKB0 Whirlpool Dishwasher Du948pwkb0: Broken dish rack roller. How to replace Dishwasher Rack Roller Axle Assembly. The Video made it so easy and simple to do repair. You are now my source for appliances parts. Thank you! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes