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Carbon Brush Set

Part Number: CB303
Makita
Availability: 25+ in stock
Price: $8.21
Quantity:
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*This part replaces obsolete part #: 194996-6 and 191963-2.

Product Information
Manufacturer: Makita
Product Number: CB303
Classification: Part
Weight: 0.01 lbs.
Also Known As: Motor Brush Set
Shipping: Ships Worldwide
Description:
Set of 2 Carbon Brushes with wire leads and brush springs attached. The set contains genuine Makita replacement parts, and comes packaged in a Makita retail box.

This brush set will fit the Makita tools listed at the bottom of the page.

• Worn brushes are often the cause of a poorly running motor
• Replacing brushes can fix an intermittent motor
• New brushes can restore a motor’s electric braking


Carbon motor brushes are one of the most commonly replaced power tool components.
Because carbon brushes are wear items, meaning that through friction and use they will gradually wear away, they will eventually require replacement.
Worn brushes are common causes of intermittent motor function, reduced electric braking, and reduced motor power.
A worn out brush will often be worn down near the wire lead and may be cracked, pitted, or burned.
When replacing carbon brushes, be sure to also inspect your armature for burns, cracks, or other damage which indicates a larger motor problem.

Products Compatibility

This item works with the following types of products:

  • • Band Saw
  • • Blower
  • • Circular Saw
  • • Drill
  • • Grinder
  • • Miter Saw
  • • Pole Saw
  • • Polisher
  • • Reciprocating Saw
  • • Router
  • • Sander
  • • Saw
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Questions & Answers

Which carbon brushes would be the replacements for this grinder?
Dave for model number Makita GA9020 Grinder
Hello Dave, thank you for your inquiry. For your model GA9020, the correct carbon brush set is part number CB204. I hope this information helps!
I have an old Makita 7-9 inch grinder that the model plate is missing from and I need some new brushes. I am guessing that it is at least 10 years old. What are my options for finding the right set of brushes to put in it.
Stan
Hi Stan, Thank you for your question. Before we can assist you further, we would need the model number from your grinder. Makita model numbers are usually to the right of the Makita logo on a tag or sticker. We hope this helps. Thank you and have a great day!
Repair Instructions: Submitted by Customers Like You
5 of 5 people found this instruction helpful
Tool Type:
Polisher
Parts Used:
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, None
Bad brushes
Took off covers of brush pocket l/r removed old and installed new and fired right up
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5 of 5 people found this instruction helpful
Tool Type:
Polisher
Parts Used:
Ball Bearing - 211106-1
Ball Bearing - 211031-6
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Power Drill, Nutdriver
Bearings worn on 2 polishers-Makita plus brushes worn.
Remove both the head and open the handle, take brushes out then slide armature out and use a bearing puller to remove bearings and tap new ones on using a deep well socket the same size if the inner race of the bearing and a rubber mallet to drive on. Then put in new brushes and close the tool up..
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2 of 2 people found this instruction helpful
Tool Type:
Sander
Parts Used:
Carbon Brush Set - CB303
Belt - 225084-9
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Worn belt and brushes
Remove the belt cover and the old belt
Install the new belt on the pulleys
Remove the brush caps and the old brushes
Install the new brushes, then replace the brush caps
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1 of 1 people found this instruction helpful
Tool Type:
Router
Parts Used:
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Worn brushes
1. Remove the brush caps with a screwdriver.
2. Remove the brushes from the tool
3. Install the new brush in the tool
4. Replace the brush caps with the screwdriver
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Tool Type:
Polisher
Parts Used:
Power Cord (8-Foot) - 664630-7
Carbon Brush Set - CB303
Switch - 651282-3
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Cord was broken, brushes and switch worn
Disassembled polisher by removing screws in case, removed wires at connection locations, reinstalled wires. Removed brush screws in side of case, removed brushes and reinstalled new brushes. Removed wires from old switch, reinstalled wires on new switch, reinstalled case. Done
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Found this saw in an old barn,
Removed the handle half
Made a wiring diagram
Removed the cord clamp
Removed the wires from the old switch
Connected the wires to the new switch
Screwed in the cord clamp
Attached the handle half to the saw
Removed the brush caps and installed the new brushes
Installed a new blade
Ordered the socket wrench, the open end wrench and the edge guide
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Tool Type:
Polisher
Parts Used:
Carbon Brush Set - CB303
Handle Grip - 153489-2
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Brushes on buffer were worn out, and handle broke.
I just removed 2 plastic screws that hold the brushes in (extremely easy). Unscrewed old handle and screwed new handle on. Very easy fix.
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Tool Type:
Polisher
Parts Used:
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
It was not operating properly
1. Removed brush caps
2. Removed & Replaced brushes
3. Reinstall brush caps
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Brushes were completely worn down
Unscrewed the caps, pulled the old brushes out and put the new ones in. Works like new
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Tool Type:
Polisher
Parts Used:
Carbon Brush Set - CB303
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
No problems with parts. Had to clean up the comutator with emery paper.
The commutator on the armature may need to be cleaned up because of weak brush springs or the old brushes completely worn out. All I did was to take a strip of fine emery cloth over the end of a small screwdriver, went down through one brush housing, lightly held it on the commutator (part of armature that the brush rides on) and turned the pad on the polisher. If you don't do this, you may getting excessive arcing between the brushes and the commutator. Then install the new brushes and screw the brush caps back on.
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Reviews
4.4
Average Rating (out of 5):
5 Reviews
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  • Fast shipping, great packaging
    Great pricing, right product, delivered faster than expected. Ordering is easy and shipping is faster than others I’ve used.
    Stephen - November 7, 2019 Verified Purchase
    Good value
    Fast delivery. Good value.
    Guest - October 4, 2019 Verified Purchase
    super easy
    Received our parts fast. Popped them in, and went to work. thanks
    Guest - June 15, 2019 Verified Purchase
    Umm.. That wrong part was sent by mistake? Not the Carbon Brush set. Another part. Not sure. Def wrong part, but mistake.
    The parts we received in good shape, but a bit slow. Maybe cause of the holidays. Also, I received one of the parts incorrectly. Could of been an honest mistake. Wrong numbers posted. The representative at eReplacementParts, was AWSOME!! super helpfull. Great Customer service. Thanks.
    Guest - 21 days ago Verified Purchase
    It does what it does.
    It's a carbon brush. One got old. I bought a new one. Inundating my email over and over for reviews and technical details is more annoying than helpful. There is nothing you can do to inflate the quality or relative importance of a motor brush. If you need one, you buy one. I like eReplacementparts well enough. Don't spoil it.
    Dave - November 9, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Makita
    Product Number: CB303
    Classification: Part
    Weight: 0.01 lbs.
    Also Known As: Motor Brush Set
    Shipping: Ships Worldwide
    Repair Guides
    Watch the Repair Video for Carbon Brush Set
    Articles:
    Step-by-step instructions for removing and installing the motor brushes on your Makita angle drill....
    February 27, 2018
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