Mower Deck Rebuild Kit Fits John Deere LA145 LA165 D140 D150 D160 X140 X1. 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. If the item is found to be defective the customer may send the part back for inspection from Provenpart, if the part is considered to have a material defect Provenpart will send the customer at no charge a replacement part. LA145 LA165 D140 D150 D160 X140 X160. (3) Spindles (3) Blades (1) Belt (2) Small Idler Pulley (1) Large Idler Pulley (3) Spindle Pulleys. For John Deere: GY20454, GY20867, GY20962, GY21098. Specially designed to replaces 7 pt star spindle shaft. For John Deere: AM137757, AM141035, GX21784, GY20852. For John Deere: GX20571, GX21833. Belt Application: Deck Belt. (1) Idler Pulley Replaces. For John Deere: GY20629, GY20110. (2) Idler Pulley Replaces. For John Deere: GY20067, GY22172. (3) Spindle Pulleys Replaces OEM Part Numbers. For John Deere: GX22616.