MaxPower 12612 Spindle Assembly Replaces MTD/Cub Cadet 618-04608A, 618-0671, 618-0671B, 618-0671D, 918-04608A, 918-0671B, 918-0671D Fits 54' Inch decks, 800 series with star hole blades Includes pulley Pulley measures 5.39 Inch dia x .5625 Inch width