here are the links of the correct parts you need for model S3555
https://www.ezvacuum.com/hoover-elite-brush-roller-48414081-48414159-p-458.html
https://www.ezvacuum.com/hoover-38528011-belts-genuine-2-belts-p-305.html
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here are the links of the correct parts you need for model S3555
https://www.ezvacuum.com/hoover-elite-brush-roller-48414081-48414159-p-458.html
https://www.ezvacuum.com/hoover-38528011-belts-genuine-2-belts-p-305.html