Brush Holder Cap 643941-3 - OEM Makita - eReplacementParts.com
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Brush Holder Cap 643941-3

OEM part for: Makita

Part Number: 643941-3


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Brush Holder Cap - 643941-3:Makita 360 View
Brush Holder Cap - 643941-3:MakitaBrush Holder Cap - 643941-3:MakitaBrush Holder Cap - 643941-3:Makita 360 View
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Easy 15-30 minutes (10 rated repairs)?
OEM: Original Equipment Manufacturer ?
Makita
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Product Description ?

This manufacturer sourced replacement part used on Makita power tools. The purpose of the brush cap is to hold the brush in the brush holder. This cap has external threads that thread into the housing of the tool. Be careful when removing and replacing these, they have a tendency to break. This item is made out of plastic and it is sold individually.

  • Classification: Part
  • Weight: 0.01 lbs.
  • Shipping: Ships Worldwide

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Compatibility

This Brush Holder Cap will fit the following 133 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.

Makita

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This item works with the following types of products:

  • Circular Saw Parts
  • Saw Parts
  • Miter Saw Parts
  • Reciprocating Saw Parts
  • Drill Parts
  • Hammer Drill Parts
  • Impact Driver Parts
  • Impact Wrench Parts
  • Jig saw Parts
  • Rotary Hammer Parts
  • Chain Saw Parts

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  • Easy repair. Nice quality
    Best part for installing new brushes.
    Michael - November 24, 2020 Verified Purchase

    Questions & Answers ?

    Our customer Service team is at the ready daily to answer your part and product questions.

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    Customer Repair Instructions ?

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

    Easy 15-30 minutes (10 rated repairs)?

    Needed new brushes and new brush caps

    Loi - January 12, 2017
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Miter Saw

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver

    Removed the brush caps with a screwdriver
    Removed the old worn brushes
    Installed the new brushes
    Screwed on the new brush caps
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    brushes burnt

    clayton - November 26, 2021
    Tool Type

    Circular Saw

    Difficulty

    Medium

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    remover case.
    cut out old brushes
    soldered in new wires
    replaced side cover
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    Brushes and holders were melted.

    William - November 26, 2021
    Tool Type

    Jig saw

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver, None

    1. Opened up the casting removed the screws with Philips screwdriver.
    2. Removed the parts to be replaced
    3. Replaced with new parts
    4. Tested the controls
    5. Closed up the casing.
    6. Double checked function
    7. All done!
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    Brushes and caps melted

    Stephen - April 28, 2021
    Tool Type

    Circular Saw

    Difficulty

    Hard

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Wire strippers, wire nut, sand paper, small flat head

    1. Take off saw housing
    2. Unscrew light
    3
    4. Disassemble handle
    5. Pull light out
    6. Pull brush holder wires out. Follow them
    And disconnect. Negative line cut, positive line unscrew from trigger. Reinstall new ones.
    Wire nut needed for negative line. Be careful taking body apart. Keep note of where spring goes for trigger.
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    Overheated/melted brush holders on Makita 18v circular saw

    Jonathan - October 30, 2019
    Tool Type

    Circular Saw

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Electrical Tape

    Could not remove brush caps (fused to holder). Removed end motor trim cap, removed half of the handle to expose wiring. Thought I had to take whole motor apart to install new brush holder, but found out that I could remove brush holder just by wiggling wire through motor (had to tape a wire to wires so when I pulled old brush holder through motor, I could reverse process to install new brush holder). Just watch out for any springs in trigger assembly.
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    Saw smoked and stopped working

    James - May 4, 2019
    Tool Type

    Circular Saw

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Pliers

    Removed cover, disconnected caps, brushes and holders, replaced with new parts.
    Much easier then expected and saw functions like new.
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    Positive brush housing melted due to heavy work load.

    Richard - January 24, 2018
    Tool Type

    Circular Saw

    Difficulty

    Medium

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Pliers, Wire strippers

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    My saw was borrowed so I'm not sure the symptoms. I do know the brush holders, the brushes and the caps melted all together to the casing.

    Max - May 19, 2017
    Tool Type

    Circular Saw

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    , Phillips screwdriver, wire stripper and small screwdriver

    My saw was borrowed so I'm not sure the symptoms. I do know the brush holders, the brushes and the caps melted all together to the casing. Being the casing is harder than surrounding, it was relatively easy to pull apart. I removed all Phillips screws in order to separate the casing to access end connection of the brush holders. Unscrewed red wire and replaced with new. I removed the wire crimp tying together the black wires, replaced with new brush holder black wire. Put everything back together and tested. Success!
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    Did not work

    Rick - January 28, 2016
    Tool Type

    Circular Saw

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Solder , and iron

    Burnt the brushes. Removed the brush caps, then removed the brushes. Cleaned the brush holders with compressed air. Then inserted the new brushes and installed the new brush caps. Works like new
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    r&r brush caps and brushes

    david - November 26, 2015
    Tool Type

    Reciprocating Saw

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver

    Unscrew the old brush caps then remove the old brushes. Replace with the new brushes and brush caps. Super easy
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.

    Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.

    Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

    All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.

    All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.

    This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.

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