Dirt Devil Upright Model 084600 Style 15 Belts 2 Pk Genuine Part # 1SN0220001,3SN0220001. Dirt Devil / Royal Upright Vacuum Cleaner Model 084600 Style 15 Belt Single { 1 Belt Only } Fits With Models : M084600, M084600DR, M084650, M084600Q, M084605, M084610, M084613, M084611, M084612, M084500V, M084651, M084505, M084615, M084616, M084506, M084510, M084501V, UD40035, UD40030, UD40045, UD40050, UD40095, UD40195, UD40220, UD40210, UD40225, UD40215, UD40230, UD40240, UD40245, UD40250, UD40295, UD40300, UD40290, UD20005, UD20010, UD20050, UD20000, UD20020, UD20015, UD20025, UD40255, UD20010RM, UD20100, UD20100EB, UD20125B. Genuine Part # 1SN0220001,3SN0220001. Replace your belts every 3 to 6 months.