MowerPartsGroup Spindle Replaces John Deere GY21098 GY20454 GY20867 GY20962 42" Deck Includes Grease Zerk, Pulley Lock Nut, Blade Lock Nut, and Washer Height: 7" OD: 5" Replaces: GY21098, GY20962, GY20867, GY20454 Fits many John Deere 100 Series Lawn Tractors and others Threads are un-tapped