Spindle Assembly 1/4" keyway, Does not include pulley, Includes nut, 2 cup washers, bolt, dust cover, grease zerk and relief valve, Height: 7 1/2 ". Replaces Part Numbers: Exmark 103-8323, Exmark 103-8075, Exmark 103-3200, Exmark 103-3206 Stens Part Number: 285-194