John Deere 42 Inch Mulching Blades For D130 D110 D125 D105 Lawn Tractor Riding Mower 42 Inch Deck Replacement GY20850 GX22151 Built Tough For Everyday Yard Work
✔️ Replaces GX22151/GY20850; 21-3/8" blade; 42" deck
This mulching blade is designed for 42" deck lawn tractors and riding mowers, replacing the original parts. It fits D100, D105, D110, D120, D125, D130 models and LA-series 42" deck variants, plus other 42" deck models such as 102, 105, 115, 125, 135, E120, S100, X125, E100, S120. The blade features a 7-point star center hole and comes in black. No need to remove the blade paint before use, the paint protects during installation and wears off after a few minutes of movement.
✅ Blade length 21-3/8" (543 mm)
✅ Width 2-23/32" (69 mm)
✅ Thickness 5/32" (4 mm)
✅ Air lift 7/8" (22.5 mm)
✅ Compatible deck size: 42"
✅ Center hole: 7-point star
✅ Color: black
Notice: paint protects hands during installation and will wear off
💡 What is a 42 inch mulching blade used for on riding lawn tractors and why replace it?
It’s handy for turning clippings into mulch and reducing cleanup time on mowers.
- Keeps clippings mulched and distributed for a neat lawn - Fits 42" deck tractors and riding mowers with models in the D100-D135 and LA-series range - Replacement part numbers GX22151 and GY20850 ensure proper fit with original equipment