Spindle Assembly with pulley for MTD,Troy Bilt 618-0594,618-0596,918-0596 Quality Aftermarket Spindle Assembly Replace MTD,Cub Cadet 618-0594,618-0596 Replace MTD,Cub Cadet 618-0596,918-0596C 5" OD Double pulley, 6-3/4" Overall length 3 stars as an alternative to 6 stars blade adatpor