Angle Grinder Carbon Brushes 6x9x15mm Replacement – 2-Pack
Keep Your Angle Grinder Running at Peak Performance
Worn-out carbon brushes are one of the most common reasons an angle grinder stops working or sparks excessively. These 6 x 9 x 15mm replacement carbon brushes are a quick, cost-effective fix that restores smooth motor operation. Sold as a convenient 2-piece set, they're ready to install and get your tool back in action.
Key Features
- Material: High-quality carbon construction for reliable electrical conductivity and long service life
- Dimensions: 6 x 9 x 15mm — a common size compatible with many popular angle grinder models
- Color: Black
- Pack: 2 carbon brushes per package — enough for one full replacement (both sides)
- Condition: 100% brand new
- Easy installation: Drop-in replacement requiring no special tools beyond a screwdriver
Why Replace Carbon Brushes?
Carbon brushes transfer electrical current to the rotating armature inside your grinder's motor. Over time, they naturally wear down through normal use. Replacing them promptly prevents motor overheating, inconsistent power delivery, and unnecessary wear on other internal components. Keeping a spare set on hand is smart workshop practice for any DIYer or tradesperson.
What's in the Box?
- 2 x Carbon Brushes (6 x 9 x 15mm)
Made in Mainland China.
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For guidance on safe power tool use and maintenance, refer to the OSHA Power Tools Safety Guide and the CPSC Power Tools Safety Resource.
Learn more: O'Reilly Auto Parts
Frequently Asked Questions
Q: What angle grinder models are these 6x9x15mm carbon brushes compatible with?
A: The 6 x 9 x 15mm size is a widely used dimension that fits many common angle grinder brands and models. We recommend measuring your existing brushes or checking your tool's manual to confirm the correct size before ordering.
Q: How do I know when my carbon brushes need replacing?
A: Common signs include increased sparking from the motor housing, reduced power output, intermittent operation, or the brush being worn down to 6mm or less in length. Replacing them promptly helps extend the life of your grinder's motor.
Q: How difficult is it to install these carbon brushes?
A: Installation is straightforward on most angle grinders. Typically, you remove the brush cap or cover (usually with a flathead screwdriver), slide out the old brush, insert the new one in the same orientation, and replace the cap. Always disconnect your tool from power before servicing.
Q: Why are there 2 brushes in the pack?
A: Angle grinders use two carbon brushes — one on each side of the motor armature. Replacing both at the same time ensures balanced wear and optimal motor performance, which is why this set conveniently includes a pair.