GY20850 Mower Blades for John Deere D105 D110 D130 S100 E100 E120 E130 Z225 42"

These are heavy-duty replacement mower blades designed for John Deere 42-inch lawn tractors. The set includes two blades made from high-quality boron steel that offers superior wear resistance and sharpness. The blades replace multiple OEM part numbers including GX22151, GY20850, AM141033, and AM131033, fitting popular models such as D105, D110, D130, S100, E100, E120, E130, and Z225. Each blade features a 7-point star center hole meas