The John Deere 120 mower blade part numbers found are GX22151 and GY20850. The blade set part numbers found are GY20850 and M168223. The deck uses 2 blades.
John Deere 120 Mower Blade Size and Part Numbers
| Mower blade part number | GX22151 and GY20850 |
|---|---|
| Mower blade set part number | GY20850 and M168223 |
| Number of blades | 2 blades |
| Blade type | high-lift, mulching, and bagging |
John Deere 120 Blade Notes
| Blade note | The John Deere 120 blade listing captured here shows single blade part numbers GX22151 and GY20850 and blade set part numbers GY20850 and M168223. Do not buy purely from model name if the mower deck or serial range is different |
|---|---|
| Deck note | For the John Deere 120, the captured deck information is blade count 2 blades. Deck size matters because the same model family can use different blade kits |
| Blade type note | For the John Deere 120, blade type is listed as high-lift, mulching, and bagging. Pick the blade style for the job: clean discharge, bagging lift, or mulching |
| Fitment note | Before ordering John Deere 120 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong |
John Deere 120 Mower Blade FAQ
Should you buy one John Deere 120 blade or a full set?
The single blade number captured is GX22151 and GY20850, and the set number captured is GY20850 and M168223. If one blade is bent from damage, one may be fine; if they are worn down, replacing the full set usually gives a cleaner cut
Can you swap John Deere 120 blade types?
The blade type captured is high-lift, mulching, and bagging. You can often choose a different style only if it fits the same deck and spindle setup. Use GX22151 and GY20850 as the fitment starting point
Is the captured John Deere 120 blade part numbers enough to buy from?
The captured blade part numbers is GX22151 and GY20850. That helps with OEM lookup, but the blade length, width and center hole were not fully captured here. Confirm the deck or old blade before trusting an aftermarket cross-reference
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.
