Best 917388740 Craftsman Lawn Mower

• Part number 850977 recently substituted with part number 581547901 by the manufacturer
• Blade adapter 581547901 attaches the mower blade to the motor shaft.

• Sold on Amazon

• Genuine OEM AYP Part
• American Yard Products manufactures parts and equipment for leading brands in the industry. Those include Craftsman, Husqvarna, Poulan Pro, Poulan, Weed eater, Roper, Sears, Rally, EHP (Electrolux Home Products) and Yard Pro
• Replaces: 851084, 532435345
• Hex Head Screw 3/8-24 x 1 -3/8

• Genuine FSP Part
• Old part number 851514 or 850977 now changes to 193825
• Used on many AYP manufactured walk behind mowers.