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54" Deck Rebuild Kit John Deere D170 E180 S180 190C G110 LA150 LA175
$99.98
Product Code: 80-DK-019
Complete 10-piece deck rebuild kit for select John Deere 54-inch mower decks used on D170, E180, S180, 190C, G110, LA150 and LA175 lawn tractors.
This kit includes 3 complete spindle assemblies, 3 mower blades, 3 idler pulleys and 1 mower deck drive belt — the major wear components needed to rebuild the compatible 54-inch mower deck.
Designed around the John Deere GX21395 belt, GY20110 / GY20629 idler, GX21380 / GY20684 blade and GY20592 / GY20867 / GY21099 spindle families.
Important: Verify Your Complete Deck Configuration
This kit fits select John Deere 54-inch mower decks using the complete component combination listed below. John Deere used different deck configurations across different models and production years.
For the most reliable fitment, compare your original belt, blade, spindle and idler pulley OEM numbers before ordering.
This kit fits select John Deere 54-inch mower decks using the complete component combination listed below. John Deere used different deck configurations across different models and production years.
For the most reliable fitment, compare your original belt, blade, spindle and idler pulley OEM numbers before ordering.
What Is Included
| Component | Qty. | OEM / Reference |
|---|---|---|
| Spindle Assembly | 3 | 80-11-766 — GY20592 / GY20867 / GY21099 |
| 54" Mower Blade | 3 | GX21380 / GY20679 / GY20684 / GY20686 |
| Idler Pulley | 3 | 80-91-068 — GY20110 / GY20629 |
| Mower Deck Drive Belt | 1 | GX21395 |
OEM & Replacement Part Number Cross-Reference
Spindle Assemblies — 80-11-766 — Qty. 3
Replaces John Deere:
GY20592, GY20867, GY21099
Spindle Specifications
Overall Height: approximately 6-1/8"
Housing Outside Diameter: approximately 5"
Blade Mount: 7-point star
Grease Fitting: Included
Mower Blades — Qty. 3
Replaces John Deere:
GX21380, GY20679, GY20684, GY20686
Additional aftermarket cross-references:
Oregon: 92-103
Stens: 330-704
Rotary: 11491
Sunbelt: B1JD6019
Blade Specifications
Length: approximately 18-5/8"
Width: approximately 2-3/4"
Thickness: approximately .187"
Center Hole: 7-point star
Cut Direction: Right-hand
Quantity Required: 3
Idler Pulleys — 80-91-068 — Qty. 3
Replaces John Deere:
GY20110, GY20629
Idler Pulley Specifications
Outside Diameter: approximately 5-7/32"
Flat idler pulley configuration
Mower Deck Drive Belt — Qty. 1
Replaces John Deere:
GX21395
Belt Specifications
Width: approximately 5/8"
Effective Length: approximately 161.4"
Compatible John Deere Models
John Deere 190C — 54" mower deck
John Deere D170 — 54" mower deck
John Deere E180 — 54" mower deck
John Deere S180 — 54" mower deck
John Deere G110 — 54" mower deck
John Deere LA150 — 54" mower deck
John Deere LA175 — 54" mower deck
John Deere 54" Deck / Kit Reference
GY2099X54A
John Deere OEM Numbers Covered by This Kit
GX21395 — Mower Deck Drive Belt
GY20110 — Idler Pulley
GY20629 — Idler Pulley
GX21380 — Mower Blade
GY20679 — 54" Blade Set / Blade Reference
GY20684 — 54" Mower Blade / Blade Kit Reference
GY20686 — Blade Reference
GY20592 — Spindle Assembly
GY20867 — Spindle Assembly
GY21099 — Spindle Assembly
How to Confirm Fitment
Your mower should use the same complete 54-inch deck configuration:
• 1 deck belt replacing GX21395
• 3 idler pulleys replacing GY20110 / GY20629
• 3 blades replacing GX21380 / GY20679 / GY20684 / GY20686
• 3 spindle assemblies replacing GY20592 / GY20867 / GY21099
• 7-point star blade mounting system
Matching only the mower model or 54-inch deck size is not enough. Verify the OEM part numbers for your specific mower deck whenever possible.
Your mower should use the same complete 54-inch deck configuration:
• 1 deck belt replacing GX21395
• 3 idler pulleys replacing GY20110 / GY20629
• 3 blades replacing GX21380 / GY20679 / GY20684 / GY20686
• 3 spindle assemblies replacing GY20592 / GY20867 / GY21099
• 7-point star blade mounting system
Matching only the mower model or 54-inch deck size is not enough. Verify the OEM part numbers for your specific mower deck whenever possible.
Why Replace the Complete Deck Wear Set?
Replacing the spindle assemblies, blades, idler pulleys and deck belt together can help restore the mower deck when multiple wear components are due for service. This complete kit eliminates the need to purchase the major deck wear parts separately.
Need Help Confirming Compatibility?
Send us your complete John Deere mower model number and, if available, the OEM numbers from your original belt, blades, spindle assemblies or idler pulleys. We can help confirm whether this is the correct deck rebuild kit for your mower.
Send us your complete John Deere mower model number and, if available, the OEM numbers from your original belt, blades, spindle assemblies or idler pulleys. We can help confirm whether this is the correct deck rebuild kit for your mower.
Aftermarket replacement parts. John Deere brand names, model numbers and OEM part numbers are used for identification and compatibility reference purposes only.
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