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["DECK REBUILT KITS","LAWN AND GARDEN","Lawn Mower Deck Rebuilt Kits"]
Give your John Deere mower the care it deserves with this 48" Deck Rebuild Kit, designed for a wide range of John Deere riding and zero-turn mowers. This high-performance kit includes a belt and idler pulleys to restore proper belt tension and smooth operation, reducing wear and vibration while improving cut quality.
Kit Includes:
(1) Drive Belt
Replaces OEM: GX20571, GX21833
Dimensions: 1/2" width x 141 1/8" length
Heavy-duty construction for long service life
(1) Flat Idler Pulley
Replaces OEM: GY20629, GY20110
Dimensions: 5 1/8" OD x 11/16" ID x 1 3/4" height
Material: Metal – heavy-duty
(2) Flat Idler Pulleys
Replaces OEM: GY20067, GY22172
Dimensions: 3 5/8" OD x 11/16" ID x 1 3/16" height
Material: Metal – heavy-duty
Compatible with the Following John Deere Mowers:
100 Series:
145 (Serial #150,001 and above)
155C
D Series:
D140 (Serial #A130,001 and above or B020,001 and above), D150, D155, D160
E Series:
E140, E150, E160, E170
L Series:
L120, L130
LA Series:
LA130, LA140, LA145, LA155, LA165
S Series:
S140, S160, S170
X Series:
X140, X165, X166
Z Series (ZTrak Mowers):
Z255
Z355E (up to Serial #050,000)
Note: Compatibility may vary by serial number. Always verify belt length and pulley configuration before ordering.
Why Choose This Kit?
OEM-grade replacements for smooth, reliable operation
Correct idler pulley configuration for proper belt routing and tension
Reduces belt slipping, squealing, and premature wear
Designed for DIY installation with standard tools
Fits Popular Models – Supports a wide range of John Deere riding and zero-turn mowers
Installation Tip:
Inspect your pulleys and belt for signs of wear such as glazing, cracks, or squealing. Replacing them early helps extend mower life and improve cut consistency.
Satisfaction Guaranteed:
All components are brand new and inspected for quality
Ships fast and packed for protection
Suggested Add-Ons:
Spindle Assemblies – Pair with new pulleys and belt for a complete deck refresh
Blade Set (48") – Mulching or hi-lift blades to match your mower’s cutting needs
Mower Maintenance Kit – Includes spark plug, oil filter, air filter & more
Bundle & Save: Check our full rebuild kits for 48" decks if you’re replacing spindles too!
