ACEBRI Mower Blade 54'' for John Deere GX21380, GY20679, GY20684, GY20686,for John Deere 100 Series D170, E180, G110, 190C, LA150, LA175, for John Deere 54 Inch mower blades,3 Pck

What It Is

This is a three-pack of aftermarket 54-inch mower blades designed to replace OEM John Deere parts on select riding mowers with 54-inch cutting decks. They’re meant for routine blade swaps to keep grass cutting clean and even.

Fitment & Compatibility

• Deck size: Only fits 54-inch John Deere decks. Measure your deck width to confirm—54 inches is the blade tip-to-tip length, not the deck shell.
• OEM cross-reference: Replaces John Deere part numbers GX21380, GY20679, GY20684, and GY20686. Also fits models like the 100 Series D170, E180, G110, 190C, LA150, and LA175.
• Check before buying: Verify your mower’s deck part number (stamped on the deck or in the manual). These blades are not universal—they won’t fit 42-inch or 48-inch decks. Measure center hole diameter (should be about 5/8 inch) and blade thickness (around 0.25 inch) to match your spindle.
• Aftermarket note: These are not OEM John Deere parts. Expect slight differences in finish or steel composition, but they should bolt on without modification.

Key Things to Know

• Quality concerns: With only 4 reviews and a 4.5 rating, long-term durability is unproven. Some users report blades wear faster than OEM.
• Installation difficulty: Easy swap if you have a socket wrench and blade removal tool. No special skills needed.
• Common gotcha: Check blade balance before installing—unbalanced blades can vibrate, damage spindles, or cut unevenly. Spin them on a balancer or nail.
• Value: At ~$8.42 per blade, it’s a budget option for users who replace blades frequently.

Should You Buy It

Buy this three-pack if you need a low-cost, quick replacement for a 54-inch John Deere deck and don’t mind aftermarket quality. It’s a solid choice for light-to-medium mowing, but if you cut heavy grass or want maximum longevity, stick with OEM blades.