Carbon Brushes for Makita DTD146 DHP456 DHP458 BHP456 CB440

Replacement Carbon Brushes for Makita Cordless Power Tools

Keep your Makita cordless power tools running at peak performance with these precision-engineered replacement carbon brushes. Compatible with a wide range of popular Makita models — including the DTD146, DHP456, DHP458, BHP456, BDF446, BHP454, and CB440 — these brushes are a must-have for any workshop, job site, or DIY toolkit. Replacing worn carbon brushes is one of the most cost-effective ways to extend the life of your power tools and maintain consistent, reliable performance.

Key Features

• Wide Compatibility: Fits Makita models DTD146, DHP456, DHP458, BHP456, BDF446, BHP454, CB440, and more cordless electric hammer drill machines.
• High-Quality Carbon Material: Made from durable carbon graphite compound for long service life and minimal wear on motor commutators.
• Pack of 4: Includes 4 carbon brushes — enough for a full replacement on two tools, or spares for future maintenance.
• Precise Fit: Manufactured to exact OEM dimensions for a snug, reliable fit with no modification required.
• Easy Installation: Drop-in replacement design makes swapping out worn brushes quick and straightforward — no specialist tools needed.
• Restores Motor Efficiency: Worn brushes cause power loss and sparking; fresh brushes restore smooth, efficient motor operation.
• Cost-Effective Maintenance: A fraction of the cost of a repair service or new tool — ideal for trade professionals and home DIYers alike.

Compatible Models

• Makita DTD146
• Makita DHP456
• Makita DHP458
• Makita BHP456
• Makita BDF446
• Makita BHP454
• Makita CB440

What's in the Box?

• 4 × Replacement Carbon Brushes

Why Replace Your Carbon Brushes?

Carbon brushes are a critical wear component in brushed electric motors. Over time, they wear down, leading to reduced power output, excessive sparking, overheating, and eventual motor failure. Regular inspection and timely replacement of carbon brushes is a simple, affordable way to keep your power tools in top working condition and avoid costly repairs or replacements. For guidance on safe tool maintenance practices, visit the OSHA Hand and Power Tools Safety page.

Frequently Asked Questions

Q: Which Makita power tool models are these carbon brushes compatible with?

A: These replacement carbon brushes are designed to fit the Makita DTD146, DHP456, DHP458, BHP456, BDF446, BHP454, and CB440 cordless electric hammer drill models. Always verify your tool's model number before installing to ensure the correct fit.

Q: How do I know when it's time to replace my carbon brushes?

A: Common signs of worn carbon brushes include reduced motor power, visible sparking at the motor vents, intermittent operation, or the tool stopping unexpectedly. Many brushes also have a wear indicator line — once the brush wears down to that line, it's time for a replacement.

Q: How many carbon brushes are included in this pack?

A: This pack contains 4 carbon brushes — enough for a complete set replacement on two tools (each brushed motor uses 2 brushes), or to keep two spare brushes on hand for future maintenance.

Q: Is installation difficult?

A: Not at all. These brushes are designed as drop-in replacements matching OEM dimensions. Simply locate the brush caps on your tool's motor housing, remove the worn brushes, and insert the new ones. No special tools or technical expertise are required.