Arthur B Mashpee , MA January 07, 2019 Appliance: Samsung Refrigerator RF4287HARS/XAA-0001 Samsung Refrigerator Rf4287hars/Xaa-0001 / : Samsung discontinued a part on a refrigerator after 4 years. How to replace Flex Zone Door. AppliancePartsPros.com had the part in stock and shipped it next day. Without this part I would have had a non-functioning Samsung French door refrigerator. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes