Greg P Saline , MI January 26, 2019 Appliance: Samsung Refrigerator RF4267HARS/XAA-0001 Samsung Refrigerator Rf4267hars/Xaa-0001 / : Purchased used refrigerator for $50 00 had a defective mother board replaced board for $150 00 broke two right side door shelves moving refrigerator. How to replace Refrigerator Door Shelf Guard Assembly. Ordered two new door shelves with the help from Kelsey in customer service,received parts within 4 days,now have a $2,000.00 refrigerator for under $300.00. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes