Tellus and the Nilfisk GMI and GMD MOTOR FAN UNITS ceramic carbon brush holder.
They are generally used in the GM80 and the Nilfisk GM90 and GS90 and the Nilfisk and Tellus GA71 GS81 and GM81 industrial vacuum cleaner and the Nilfisk GM625 Industrial Vacuum Cleaner and the GM726 and the GM82.
The price is per brush holders. They're an obsolete part so these are recycled ones.
These ceramic brush holders usually only need to be replaced if the motor is dropped.
The GM motors are usually burnt out if the carbon brushes need to be replaced. The armatures are usually too burnt up for them to be successfully replaced, even if the commutator segments are undercut and commstick used to clean the commutator, after they've been emery paper cleaned or "skimmed"
SAFETY WARNING! All electrical parts should ONLY be fitted by an electrically COMPETENT person.
As it's light, maximise the saving on postage and buy some of the related parts below, such as dustbags and the filters or a new floor tool.
At the moment, standard postage within Australia is capped at a maximum of $20!