4 pack Blades 42" LA100 LA110 LA120 X110 X120 LA105 LA115 GX22151 GY20850 R11593 Books, Tools and Equipment Leslie Land in Kitchen and Garden and Red Berries in Fall Photograph by Robert Meyers Lussier Lychnis Maltese Cross Perennial Plants For Sale in Calgary, Alberta Foxglove Excelsior Hybrids seed Australian Plants Online. Set of Four (4) New Aftermarket Replacement 42 Inch Deck Blades Fits John Deere Lawn Tractors and Zero Turn Mowers This set includes four (4) medium lift aftermarket replacement mower blades Fits John Deere 42 inch cut decks. Two (2) blades are required per mowing session on a 42 inch deck, so this pack provides two complete sets ideal for keeping a spare set on hand. These blades mount via a 7 point star (lobe) center hole and are designed as direct replacements Fits John Deere OEM part numbers GX22151 and GY20850. Specifications Quantity: 4 blades (2 sets of 2 for a 42 inch deck) Length: 21 1 2 inches Width: 2 3 4 inches Thickness: . 156 inches Center Hole: 7 Lobe Star Type: Medium Lift Cut Width: 42 inches (2 blades required per deck) Compatible Models Fits John Deere 100 Series: 102, 105, 107S, 115, 125, 135 Fits John Deere LA Series: LA100, LA105, LA110, LA115, LA120, LA125, LA135, LA160 Fits John Deere D Series: D100, D105, D110, D120, D120D, D125, D130 Fits John Deere E Series: E100, E110, E120, E130 Fits John Deere S Series: S100, S110, S120, S130, S240 Fits John Deere X Series: X105, X107, X110, X120, X125, X126, X127, X145, X300, X304, X310 Fits John Deere SST Series: SST15, SST16 Fits John Deere Z Series: Z225, Z235 Fits John Deere LT Series: LT160, LT180 All models listed above require a 42 inch mower deck. Verify OEM blade part number on your existing blade before ordering. Replaces Part Number(s): GX22151, GY20850, AM137327, AM137328, AM137329, AM137330, AM137333, AM141031, AM141032, AM141033, AM141034, M145969, M145970, M149421, M149422, M154061, M154062, UC21583, GM149625, GX21694 New aftermarket replacement part not remanufactured, not used.