1 Pair Carbon Brushes for Neilsen CT0903 CT0904 Breaker Demolition Hammer 1700W (110V / 230V) High quality replacement carbon brushes suitable for Neilsen CT0903 and CT0904 Breaker Demolition Hammers (1700W). Compatible with both 110V and 230V models, these brushes are designed to restore reliable motor performance and keep your breaker operating at full power. Neilsen Part Number: CT0903-04-2 Carbon brushes are a vital electrical component inside your demolition hammer. They maintain the flow of electricity to the motor, allowing the tool to run efficiently. Over time, carbon brushes naturally wear down through use and will need replacing. Worn brushes can cause loss of power, intermittent running, or excessive sparking. Replacing your Neilsen carbon brushes is a .
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