Genuine WP91938 Whirlpool Gear Case Oil Seal OEM WP91938 We ship same or next business day! Fast shipping. Part Number WP91938 (AP6013636) replaces 91938, 99404, J27-500, LP631, PS11746863. WP91938 REPLACEMENT WHIRLPOOL CLOTHES WASHER - SHAFT SEAL WAS GL LP631 / 91938 USED ON SOME MODELS OF MAYTAG, CROSLEY, ROPER, KENMORE,...