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Carbon Brush Set

Carbon Brush Set

Part Number: CB325
Makita
Availability: 25+ in stock
Price: $4.76
Ships within 1 business day

*This part replaces obsolete part #: and 194074-2.

Product Information
Manufacturer: Makita
Product Number: CB325
Classification: Part
Weight: 0.01 lbs.
Also Known As: Motor Brush Set
Shipping: Ships Worldwide
Description:
Genuine Makita replacement part.
Set of 2 Carbon Brushes with wire lead attached.

• 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:

  • • Grinder
  • • Rotary Hammer
Questions & Answers

Will makita 325 brushstroke fit
Keith for model number Makita HP 1640 asked on 2019-12-13
Hello Keith, thank you for your inquiry. For your model HP1640, the correct brush set is part number CB407. I hope this information helps!
Repair Instructions: Submitted by Customers Like You
12 of 14 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Torx bit T15
Worn out brushes
Opened rear casing of unit to expose brush holders on each side. Lifted spring that holds each brush and pulled out worn brush and replaced with new brush. Repeat for other side.
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5 of 5 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Armature Assembly 115V - 515616-3
Carbon Brush Set - CB325
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, O-ring hook
Brushes wore out, unit smoking heavily
1. Noted position of all components as per the schematic provided on website.
2. Disassemble all screws to remove cover and output gear assembly.
3. With needle nose pliers carefully remove carbon brush set slip on connector. Place pressure spring to one side allowing removal of brush.
4. Pull armature out. If rubber retaining gasket remains in unit and doesn't come out with the armature and attached to the bearing, take a gasket hook removal tool and remove the grommet being careful not to damage it.
5. Place the grommet on the end bearing.
6. Insert the armature assembly with grommet into the grinder body placing the grommet into the socket inside the grinder body.
7. Attached carbon bushings into their respective positions.
8. Place pressure springs back into their correct original positions.
9. Reassemble grinder body in the reverse sequence.
10. Plug grinder in. Turn on and test.
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3 of 4 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Brushes were worn out
Removed the rear cover and disconnected the old brushes and replaced the old ones. Easy job
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2 of 2 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Brushes wore out.
Remove the back cover and replace the brushes.
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1 of 1 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Medium
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Excesive sparks from brushes
Open housing and disconnected the wires, then installed the new brushes.
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Brushes worn out
1. Took old out
2. Put new in
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Brush Holder - 643760-7
Tapping Screw Bind PT3X10 - 266007-8
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Brushes worn out
Remove rear cover. Remove the brush holder by removing the screw that holds it in. Remove brush by disconnecting terminal. Insert the new brush holder in the same place of the old one. Place new brushes in the holder and release spring to hold brush in. Reconnect the new brush terminal. Then place the rear cover back on.
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Motor brushes were worn and arching.
Remove the rear housing casing, polished armature and replaced the brushes. Put it back together. Works like new.
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Tool Type:
Rotary Hammer
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Power Drill, No necesary
Well, i explain the armature rotor was in cut
Basically I did a test with the multimeter and then I did another with a tool called growler, I picked up the problem.
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Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers
Mothing
Followed your online tutorial easy! Thanks
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Reviews
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Average Rating (out of 5):
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  • Fast shipping and great quality
    It came really quickly and it was just what I need it. Really great quality, I will probably use this site again.
    Guest - April 29, 2020 Verified Purchase
    Easy ordering,timely delivery, they work great
    Well packaged, arrived on time Thanks
    Guest - April 29, 2020 Verified Purchase
    Perfect fix
    Just the right fit.
    Guest - March 4, 2020 Verified Purchase
    Right parts every time
    The part fit perfectly
    Guest - December 9, 2019 Verified Purchase
    WORKED PERFECT
    parts were in good condition
    YOLANDA - November 7, 2019 Verified Purchase
    The right part on time delivery. 🤸🤸🤸
    Great time delivery fit right on and back to business. Love it . Thanks.
    Guest - October 19, 2019 Verified Purchase
    Makita Brushes...
    EZ Order... Quick Ship.... Fit Right.... Job Done..... Tool Working...
    Marty - August 27, 2019 Verified Purchase
    Exact match
    It's nice to enter a website and find all the parts you need, and at a decent price.
    Douglas - May 24, 2019 Verified Purchase
    Fast
    Fast
    Guest - May 15, 2019 Verified Purchase
    Work excellent and in a timely way.
    Fit perfect and in excellent time.
    Guest - May 1, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Makita
    Product Number: CB325
    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:
    Brushes Worn Out? Learn to remove and install the carbon motor brushes on your Makita grinder. Step-by-step instructions...
    November 24, 2015
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