The John Deere E180 mower blade part numbers found are GY20684 and GX21380. The blade measurement captured is thickness 0.188 in (5 mm). The deck uses 3 blades.
John Deere E180 Mower Blade Size and Part Numbers
| Mower blade part number | GY20684 and GX21380 |
|---|---|
| Blade thickness | 0.188 in (5 mm) |
| Number of blades | 3 blades |
| Blade type | high-lift, mulching, standard, and 3-in-1 |
Blade Size Comparison Chart
Blade thickness comparison
John Deere E180 Blade Notes
| Blade note | The John Deere E180 blade listing captured here shows single blade part numbers GY20684 and GX21380 and thickness 0.188 in (5 mm). Do not buy purely from model name if the mower deck or serial range is different |
|---|---|
| Deck note | For the John Deere E180, the captured deck information is blade count 3 blades. Deck size matters because the same model family can use different blade kits |
| Blade type note | For the John Deere E180, blade type is listed as high-lift, mulching, standard, and 3-in-1. Pick the blade style for the job: clean discharge, bagging lift, or mulching |
| Fitment note | The blunt rule with the John Deere E180: part number and center hole beat guesswork. A blade can be the right length and still be wrong |
John Deere E180 Mower Blade FAQ
Can you swap John Deere E180 blade types?
The blade type captured is high-lift, mulching, standard, and 3-in-1. You can often choose a different style only if it fits the same deck and spindle setup. Use GY20684 and GX21380 as the fitment starting point
What should you double-check with the John Deere E180 blade part numbers?
The captured blade part numbers is GY20684 and GX21380. Because the physical blade measurements are missing here, check the old blade stamp, deck tag or official parts diagram before ordering
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.

