OEM Part Numbers: GX21786 / AM141035 / GX21784 / GY20852 145 155C LA130 LA140 LA145 LA155 LA165 Lawn Tractors, D140 D150 D160 100 Series Tractors, X105 X140 X165 Select Series Tractors 17" Length John Deere lawn mower blades are manufactured with a combination of carbon and boron to provide hardness for a long life and sharp edge without breakage. Mulching Style Mower Blade OEM John Deere Part Number GX21786

Compatibile With:

John Deere: 145 48 inch Deck, 155C 48 inch Deck, D140, D150, D155, D160, E140, E150, E160, E170, LA130 48 inch Deck, LA140 48 inch Deck, LA145, LA155, LA165, X105, X140 48 inch Deck, X165, X166

Please Refer to Original Equipment Owners Manual to verify Compatibility