Wilton C Pelzer , SC March 07, 2019 Appliance: LG Refrigerator LFX31925ST Lg Refrigerator Lfx31925st / 08: Black mold on gaskets. How to replace Refrigerator Door Gasket Assembly. Replaced all 3 door seals, parts fit perfect, only took 30 minutes. great supplier and quality of parts 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes