Dewalt
Dewalt Carbon Brushes for Power Tools
In this category, you will find replacement carbon brushes suitable for Dewalt and compatible power tools and machines. Selecting the right carbon brush is essential for the efficient operation of the motor and for extending its lifespan.
Our selection includes various sizes, part numbers, and types of carbon brushes, making it easy to find the right component for your drill, angle grinder, planer, or other handheld tools.
- Genuine Dewalt carbon brushes identifiable by factory part numbers (e.g., 144689-01, 176846-02, 387558-01)
- Special size brushes for different machine types (e.g., 6x8x18 mm, 13 x 8 x 6.25 mm, 20 x 10 x 6.25 mm)
- 2-piece sets for simultaneous replacement of both motor brushes
- Recommended types for Dewalt, Black & Decker, and other compatible machines
Applications and Compatibility
The carbon brushes found in this category can be used in various electric handheld tools, such as drills, hammer drills, angle grinders, planers, and cutting machines. These components are responsible for supplying power to the motor, so their wear can lead to decreased performance, sparking, overheating, or motor failure.
Each type of carbon brush is marked with the manufacturer's part number (e.g., 144689-01, 176846-02, 387558-01, 939539-00, 949833-07, 145323-02, DW830) and dimensions (e.g., 6x8x18 mm, 7 x 10.5 x 14 mm, 13 x 8 x 6.25 mm) indicating which machines they fit. It is advisable to measure the old carbon brush and check the part number on the data plate or in the user manual before purchasing.
Technical Considerations for Choosing Carbon Brushes
When selecting the right product, several technical criteria must be taken into account. Not only the size but also the material quality, spring design, and connector type influence the motor's operation and lifespan.
- Size Accuracy: The dimensions of the carbon brush (width, height, length) must match the original part precisely in millimeters; otherwise, it may get stuck or be loose in the brush holder.
- Part Number Identification: If the factory number (e.g., 320876 P8000, 144689-01, or DW830) is available, it is the most reliable way to check compatibility.
- Material Composition: Quality carbon brushes provide less sparking and more even wear, reducing the load on the commutator.
- Connection Method: The length of the wire, terminal design, or plug type must match the original solution.
When is it Recommended to Replace Carbon Brushes?
Periodic inspection of carbon brushes is part of motor maintenance. If the brushes are significantly worn, shortened, you experience strong sparking, or the machine occasionally stops, it is advisable to replace them immediately. In most cases, both side carbon brushes should be replaced together to keep the motor load balanced.
The 2-piece sets available here (e.g., in sizes 6.3 x 13.3 x 21 mm, 22.8 x 13 x 6.5 mm, and 20 x 10 x 6.25 mm) make complete replacement easier. Using the correct carbon brush not only restores the tool's performance but can also prevent more expensive motor repairs or replacements.