Whirlpool Replacement Ice & Water Filter 4396508 Fits Side by Side Refrigerators. Fits Parts numbers 4392857, 4396509, 9902, 46-9902, 4396918, 2203220, 4396509, 436547 4396508P, 4396163, NL300, 106.51552104, 106.51062101, 106.55546402, 106.53362300, 106.50562990. Also known as EDR5RXD1.