John Deere 48 Deck Rebuild Kit Spindle Blades Belt Idler. John Deere 48 Deck Rebuild Kit with spindle, blades, belt, and idler pulleys for compatible 48-inch mower decks. This kit is designed to help restore cutting performance and keep your mower deck running smoothly with the key replacement parts needed for a complete rebuild. Made for select John Deere models, this deck parts kit includes exact-fit replacement components for the spindle, mower blades, drive belt, and flat idler pulleys. It is a practical solution when worn deck parts are affecting cut quality, belt tracking, or overall mower performance. Spindle replacement parts: GY20050, GY20785. Blade replacement parts: GX20250, GY20568. Blade size: 17″ length, 2 4/9″ width, 0.150″ thickness, 5/8″ center hole. Mower deck belt: 1/2″ x 139″, replaces GX20305 and GY20571. Flat idler pulleys: Includes 2-pack idlers replacing GY22172 and GY20067, plus 1 idler replacing GY22082, GY20629, and GY20110. Why this kit matters: replacing worn spindle, blades, belt, and idlers can improve cutting consistency, reduce vibration, and help maintain proper deck operation. Using the correct replacement sizes and part numbers helps ensure a better fit and dependable performance. 2-pack idler pulley specs: ID 5/16″, OD 3-5/8″, height 1-3/16. 1-pack idler pulley specs: ID 11/16″, OD 5-1/4″, height 1-3/4. What is in the Package. 1x John Deere 48 Deck Rebuild Kit Spindle Blades Belt Idler. 948HV, for 2148HV, L2048, L2548. L120 L130 Mower Spindle Replace Parts: GY20050 GY20785. 48 inch Deck Blade Part Number: for John Deere GX20250, GY20568. Blade Length 17″(431.8mm), Width 2 4/9″(60.5mm), Thickness 0.150 “(3.8mm), Center Hole 5/8 “(15.9mm). 1/2″ x 139″ Mower Deck Belt Replace: for John Deere GX20305, GY20571. Flat Idler Pulleys Replaces: 2 Pack Idler GY22172 GY20067, ID 5/16″, OD 3-5/8″, Height 1-3/16″; 1 Pack Idler GY22082, GY20629, GY20110, ID 11/16″, OD 5-1/4″, Height 1-3/4″. 22.2 x 8 x 7.6 inches.
