The OEM side brush screw is not included with these replacement side brushes. It only took three turns to clean the mounting hole inside the screw module. Now I'm ordering an OEM side brush and brush module. Not too happy as I just got back on 01/18. bought a vacuum cleaner. Whatever you do, don't attempt to screw in the side brush unless the screw is already flush with the part. It seems a bit small. Maybe if you have a dremel you can adjust the hole a bit.
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