Lawn Mower Deck Rebuild Kit for John Deere D140 Blades Pulley Belt Wheel Spindle. Specially designed to replaces 7 pt star spindle shaft Blade Replaces OEM Part Numbers:For John Deere: AM137757, AM141035, GX21784, GY20852 Blade Specifications: Length 17. Center Hole Diameter 7 pt. Belt Replaces OEM Part Numbers:For John Deere: GX20571, GX21833 Belt Specifications: Belt Application: Deck Belt. (1) Idler Pulley Replaces OEM Part Numbers:For John Deere: GY20629, GY20110 (2) Idler Pulley Replaces OEM Part Numbers:For John Deere: GY20067, GY22172 Deck Wheel Replaces OEM Part Numbers: For GX10168 California Prop 65 – This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Specially designed to replaces 7 pt star spindle shaft Blade Replaces OEM Part Numbers: For John Deere: AM137757, AM141035, GX21784, GY20852 Blade Specifications: Length 17. Belt Replaces OEM Part Numbers: For John Deere: GX20571, GX21833 Belt Specifications: Belt Application: Deck Belt. (1) Idler Pulley Replaces OEM Part Numbers: For John Deere: GY20629, GY20110 (2) Idler Pulley Replaces OEM Part Numbers: For John Deere: GY20067, GY22172 Deck Wheel Replaces OEM Part Numbers: For GX10168 California Prop 65 – This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm.