This is not an OEM part. It's not authentic. It's made out of wood, not plastic, and doesn't have a contoured design that seems to make it easier to pick up dirt from your floor. However, at least for now, it looks like it will work. Our 6.5 year old Lift-Off Pet Revolution 18Z6 stopped turning the stirring brush. First I tried changing the belt (BISSELL Lift-Off replacement belts, 2pcs, 3200) and that made the old agitator spin, but then after 5-10 seconds it stopped. I have noticed that the…