Replace your microwave's worn or damaged cushion sponge with the genuine Samsung cushion sponge (DE63-00408A). If your microwave is making unusual noises or vibrations, the cushion sponge might be worn out. Maintaining a good condition cushion sponge is important for the stability of your microwave. This part is suitable for certain 1.4 and 1.9 cubic feet Samsung countertop models. Always verify your device's model number for compatibility before purchasing.