John Deere Original Equipment Mower Blade Kit #GY20852 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn D140, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn D150, 48 Deck John Deere Tractor, Lawn D160, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn E140, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn E150, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn E160, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn E170, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn LA130, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn LA140, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn LA145, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn LA155, 48-in. Mower Deck; Includes (3) GX21784 Standard B John Deere Tractor, Lawn LA165, 48" Deck John Deere Tractor, Lawn X140, 48" Deck John Deere Tractor, Lawn X165,48Edge Deck; Includes (3) GX21784 Standard Blades John Deere Tractor, Lawn 145, 48Edge Deck; Includes (3) GX21784 Standard Blades John Deere Tractor, Lawn 155C. This is a genuine John Deere part. Thanks for looking!