Sheryl F Sinking Spring , PA January 05, 2017 Appliance: Whirlpool Undercounter Dishwasher DU1145XTPBA Whirlpool Dishwasher Du1145xtpba: Worn out dented black whirlpool dishwasher door panel. How to replace Door Panel. Purchased a brand new Stainless Dishwasher panel. I entered my model number into the compatibility area and instantly found there was a replacement panel. I received my new panel the next day and installation took a matter of minutes and it looks as though I purchased a brand new dishwasher. I am so thrilled. Thanks! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes