N2 251-1948 Spindle Asssembly-Pulley for Troy-Bilt Pony 2010 Model #13WN77KS011; Fits Cub Cadet Models LTX1040, LTX1042, LTX1045, RZT42 Replaces MTD #(s) 918-04822A, 918-04889A, 918-04822B Fits Cub Cadet models LTX1040, LTX1042, LTX1045, RZT42; Murray model M1642 (13AM77LS058) with 42" deck.Replaces MTD #(s) 918-04822A, 918-04889A, 91804822B Warranty: This part shall be free from defects in material and workmanship under normal use and service for three-months from the date of purchase You can return this item (for any reason) if you ask for a return within 30 days of receiving your order and have not installed your product