Includes (1) 703891 Woodruff Key. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Replaces obsolete part(s) : 431787MA, 2818312SM and 431787. Compatible with: Craftsman : 107889650, 536886540, 536886180, 536884822, 536886110, 536886161, 536886120, 536886122, 536886121, 536886531, 536886150, 536886530, 536886160, 536881651, 536881550, 536881851, 536881850, 536881951, 536882500, 536882502, 536882501, 536886440, 536886260, 536886190, 536888400, 536881950, 536881650, 536881750, 536884791, 536887993, 536881800, 536887995, 536887992, 536884781, 536886140, 536885410, 536885470, 536885400, 536885473, 536885420, 536885471, 536885472, 536887250, 536886261, 536886141, 536884790, 536887251, 536887996, 536918101, 536887990, Murray, 1695539, 1695557, 1695558, LP1695444-726E, 1695507, 1695540, 1695425, 1695459, 1695427, 1695361, 626752x16B, 1695362, 6271200x113A, 1695372, 1695382, 6271200x85, 624555x85A, 624650X16A (ST6524), 624808x4F, 536.88165, C950-52419-2, 624554x16A, C950-52429-1, 626752X16A (ST7526), 624555x110A, 626750x16C : 624555x54A, 627855X110A (SN927), 1695505 (18-2830-29), MH61900 Hybrid Frame, MH61900 Hybrid Frame, 624808X4E, 624808X4NA, 1696154-00 (824LD), 1696160-00 (BP2138S) 32", 1696159-00 (BP2132S) 32", Simplicity, 1691726 1520Pp, Walk-Behind, 1691923 1575, Pp Walk-Behind, 1691172, 1691364, 1691416, 1691417, 71691174: 71691404, 991000 Wonderboy, 808 W30In Deck, 1692317 520, Mulching, 1691725 1510Ps, Walk-Behind, 1691922 1570, Ps Walk-Behind, 1600046 312, 1600047 312D,