Black plastic brush deck cover or guard for the and the hard floor scrubber.
It's the black cover over the blue scrubbing brush on the lower right of the photograph.
SAFETY WARNING! All electrical parts should ONLY be fitted by an electrically COMPETENT person.
At the moment, standard postage is capped at a maximum of $25 within Australia, so maximise the saving on postage and buy something in the related parts below!
