Brand New - Unused Parts,Top Quality. Includes Eight (4) Carbon Brushes as pictured. This is high quality replacement carbon brush for Ametek Lamb Electric Vacuum Motor Replaces Part Numbers: 2311480, 333261, 33326-1 New carbon brush mechanism for Ametek Lamb electric motors,Remember when you are installing them to make sure the carbon brushes go in completely and stay straight. It is normal to need to hold them in until the connector is re-secured