11964 Rotary Spindle Assembly for John Deere Riders – Replaces GY20454

Direct replacement for John Deere GY20454 spindle
Compatible with 100 Series riders from 2006 and newer
Fits 42″, 48″, and 54″ mower decks with 7-point star blade mount
Blade mounting thread: 5/8-18
Includes hardware: pulley nut, blade nut, and washer

Replaces OEM Part Numbers:
John Deere GY20454, GY21098, AUC15811, GY20962

Fits John Deere Models:
X120, LA115, D140, X155R, X110, X130R, X146R, X106, X135R, X115R, X126, X165, X166, X105, X140, X166R