Replacement part number: 631-05195, 631-05195A.? Compatible with MTD, Troy- Bilt, Cub Cad et Cad 42 inch & 46 inch mulch kits Models: 19A70041799 (2015), 19A70041OEM, 19A70041OEM (2014), 19B30005OEM, 19B30005OEM (2015), 19A30046066 (2021), 19A30047066 (2021), 19A30055100 (2021), 19A30046100 (2021), 19A30047100 (2021), 19B30005100, 19A70041100.? Compatible with Cub Cad et Cad mower with 42” & 46'' deckModels: LTX-1045, LTX-1046, LTX-1046VT, LTX-1050KH, LTX-1050VT, RZT-L 46 FAB, RZT-L46, RZT-L46 FAB, RZT-LX 46 FAB, RZT-S 46, RZT-S 46 FAB, RZT-SX 46 FAB, XT1-LT46, XT1-LT46 FAB, XT2-LX46, XT2-LX46 FAB, XT2-LX46 LE FAB, ZT1-46 FAB ULTIMA, ZT1-46 ULTIMA.? Compatible with Yard Machines lawn tractorModels: 13AM775S000 (2015), 13A2775S000 (2015), 13AM775S000 (2018), 13AB775S000 (2020), 13AM775S000 (2016), 13AM775S000 (2017)? Also compatible with Craftsman T2100, Troy-Bilt TB46.Note: It will NOT fit all 42" 46" decks. Please ensure that it matches your model. The model number under the seat must begin with 247. This is for MTD tractors, not craftsman models beginning with 917, and it will not work on a three-blade deck.Package Included :1 x 631-05195A Mulch Plug3 x Zip TiesNote: Wing Nut not included