Quick answer:
The John Deere LA145 mower blade part number found is GX21784. The blade set part number found is GY20852. The deck uses 3 blades.
Blade part #GX21784
Blade set part #GY20852
Blade count3 blades
John Deere LA145 Mower Blade Size and Part Numbers
| Mower blade part number | GX21784 |
|---|---|
| Mower blade set part number | GY20852 |
| Number of blades | 3 blades |
John Deere LA145 Blade Notes
| Blade note | The John Deere LA145 blade listing captured here shows single blade part number GX21784 and blade set part number GY20852. Use this as a buying guide, then match the blade position, deck size and center-hole style before spending money |
|---|---|
| Deck note | For the John Deere LA145, the captured deck information is blade count 3 blades. Match the blades to the fitted deck, not just the tractor model name |
| Fitment note | Before ordering John Deere LA145 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong |
John Deere LA145 Mower Blade FAQ
What is the difference between the John Deere LA145 blade number and blade set number?
The captured single blade number is GX21784, while the captured blade set number is GY20852. Use the single blade number for one replacement and the set number when replacing the full deck set
What should you double-check with the John Deere LA145 blade part number?
The captured blade part number is GX21784. Because the physical blade measurements are missing here, check the old blade stamp, deck tag or official parts diagram before ordering
Official information note
Mistakes do happen. Blade specs can change by year, mower deck, spindle, serial range and regional parts catalog. Please check the operator manual, old blade stamp, deck tag and official John Deere parts catalog before ordering replacement blades.
