Description
This is Factory Cat 17421SS, the brush, 16" .050" grit W/Plate.
It measures 16 inches.
The .050 filament diameter sets how stiff the brush feels in use — thinner filament flexes into the floor surface, thicker filament scrubs harder.
Supplied with the mounting plate fitted.
Check the fit against your own parts breakdown first — Factory Cat revises components by serial-number range.
We can confirm this against your machine's parts breakdown — just send the model and serial number.