MowerPartsGroup Spindle Assembly with Pulley Replaces Ariens Spindle 21546238 Pulley 21546446 Spindle Assembly Replaces AYP 187292, 192870, 532 19 28-70, Ariens: 21546238, Husqvarna: 532 18 72-81, 532 18 72-92, 539 11 20-57 Pulley Replaces Ariens: 21546446, AYP: 195945, 197473, Husqvarna: 532195945 Spindle Height: 7 1/2"; Includes Mounting Bolts, Top nut, Bottom bolt, Bottom washer, and Grease zerk Pulley Splined ID: 5/8"; OD: 6 1/4"; Height: 7/8" Please note: Assembly does not include Washer/Spacer located between pulley and spindle. Please keep original