Bissell 3418 vacuum pre-motor filter

Bissell 3418: the pre-motor filter is part 1603437. Source: Bissell, checked November 6, 2026.

1Pre-motor filter1603437

Part numbers come from Bissell (source), 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.