Bissell 31921 vacuum filters

Bissell 31921: the filter is part 1616322, and the pre-motor filter is part 1617684. Source: Bissell, checked November 6, 2026.

1Filter1616322

Part numbers come from Bissell (source 1, source 2), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the underside of the body or behind the dust cup.