Heavy duty aftermarket replacement blade M154061, AM137327, AM141032 for John Deere 42" deck models 102, 115, 125 & 135 42" Riders. D100, D105, D110, D120, D130, LA100, LA105, LA110, LA115, LA120, LA125, LA135, LT160, LT170, LT180, SST15, SST16, X110, X120, X300, X300, X304, X310, Z225, 102, 105, 115, 125, 135. Order (2) Blades for 42" cut. All blades sold individually. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number(s) listed.