Joseph B Huntingdon , PA July 18, 2016 Appliance: Whirlpool Refrigerator ET18ZKXBN01 Whirlpool Refrigerator Et18zkxbn01: Both shelf end caps were broken. How to replace Refrigerator Door Shelf End Cap Kit. Used your Door Shelf End Cap Kit Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes