Steven D Hayden , CO January 16, 2017 Appliance: Whirlpool Refrigerator ET20DKXBW00 Whirlpool Refrigerator Et20dkxbw00: Missing and broken door shelf retainers on an old refrigerator i picked up. How to replace Door Shelf End Cap Kit. Installed new parts Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes