??Fit for?? Fits most 42-in lawn tractors and RZT mowers (2010 & after), fits 30-in mini riders (2012 & after). Cub Cadet: CC30 Mini rider, LTX1040, LTX1042, LTX1042KW, LTX1042KH, LTX1045, RZT-L42, RZT-S42, EZT-L42, RZT-42, bronco, R1000, Z6000, KH, TB30, TB30R, mustang XP Zero Turn, 2011 and 2014. MTD: most 700 Series, 2010 and newer, LT1500, LT2000, LT4200. ??Replace?? 918-04822B 918-04822A 618-04822A 618-04950 918-04822 618-04822 MTD troy bilt 618-04889 618-04889A 918-04889 918-04889A 918-04950 Oregon 82-058, 14328, 285-868 ??Well-Built?? The replacement Spindle Assembly is made of high quality aluminum alloy, durable and corrosion resistant, come with All Mounting Parts Include 8 Thread Hole and Screws, Pulley, Zerk Fitting and Plastic Cap. Overall Height: 6-7/8″ (173mm); OD of pulley: 6-1/5″ (158mm), 6 points star blade adaptor, 1.8 million times rotate in 8 hours cutting period. ??Easy Installation??Mounting holes have been pre-tapped for easier installation, more convenient