Genuine (New) John Deere Upstop / Drive shaft BM18170 for Snow blowerBrand new never installed John Deere Upstop Driveshaft. Fits Snow blower on 425/445/455 & F900 models. BE SURE THIS IS THE CORRECT PART FOR YOUR MACHINE. WE MAY BE ABLE TO HELP YOU. The item “Genuine (New) John Deere Upstop / Drive shaft.