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Brush Holder Cap

Part Number: 643650-4
Makita
Availability: 25+ in stock
Price: $1.99
Quantity:
Ships within 1 business day

*This part replaces obsolete part #: and 970-805-420.

Product Information
Manufacturer: Makita
Product Number: 643650-4
Classification: Part
Weight: 0.01 lbs.
Also Known As: Carbon Brush Holder Cap, Motor Brush Holder Cap
Shipping: Ships Worldwide
Description:
Genuine Makita replacement part, this item is sold individually.
The purpose of the Brush Holder Cap is to retain the brush in the brush holder.
This Brush Cap is used on all the Makita models listed below.
It is removed by using a slotted screwdriver
Do not press too hard when removing the cap they do have a tendency to break.
Compatibility

This part is compatible with the following machines:

Makita
5007NH Circular Saw
5007NH Circular Saw
5007NL Circular Saw
5007NL Circular Saw
2030N Planer Jointer
2030N Planer Jointer
5007S Circular Saw
5007S Circular Saw
5077B Hypoid Saw
HM1211 Demolition Hammer
LS1214 Dual Slide Compound Miter Saw
LS1214 Dual Slide Compound Miter Saw
HR4500C Rotary Hammer
5277NB Hypoid Saw
LS1221 Compound Miter Saw
LS1221 Compound Miter Saw
5007FAK Circular Saw
5007FAK Circular Saw
5007FK Circular Saw
5007FK Circular Saw
LS1013F Miter Saw
LS1013F Miter Saw
2704 Table Saw
2704 Table Saw
LS1013FL Compound Miter Saw
LS1013FL Compound Miter Saw
LS1040F Compound Miter Saw
LS1040F Compound Miter Saw
LS1013L Compound Miter Saw
LS1013L Compound Miter Saw
5008FA Circular Saw
5008FA Circular Saw
5377MG Magnesium Hypoid Saw
5007MGA Magnesium Circular Saw
5007MGA Magnesium Circular Saw
TW1000 Impact Wrench
LS1000 10 inch Miter Saw
LS1000 10 inch Miter Saw
3601B Router
9607BL 6000RPM Grinder
2704X1 10" Table Saw
2704X1 10" Table Saw
LS1214FL 12" Dual Slide Compound Miter Saw
LS1214FL 12" Dual Slide Compound Miter Saw
LS1214L 12" Dual Slide Compound Miter Saw with Laser
LS1214L 12" Dual Slide Compound Miter Saw with Laser
2703X1 15A 10" Table Saw
2703X1 15A 10" Table Saw
5008MGA 8-1/4" Magnesium LED Lighted Electric Brake Circular Saw
5008MGA 8-1/4" Magnesium LED Lighted Electric Brake Circular Saw
5007NBK Type 1 7-1/4" 15A Heavy-Gauge Aluminium Base Circular Saw
5007NBK Type 1 7-1/4" 15A Heavy-Gauge Aluminium Base Circular Saw
UC3530A 14" Electric Chain Saw
UC3530A 14" Electric Chain Saw
2401B 10" Miter Saw
2401B 10" Miter Saw
LS1440 Miter Saw
LS1440 Miter Saw
UC4030A 16" Electric Chain Saw
UC4030A 16" Electric Chain Saw
2414 Type 1 Cut-Off Saw
2414 Type 2 Cut-Off Saw
5477NB 7-1/4" Hypoid Saw
3612BR Router
2030 (Type 1) 12" Planer-Jointer
2030 (Type 1) 12" Planer-Jointer
2030 (Type 2) 12" Planer-Jointer
2030 (Type 2) 12" Planer-Jointer
2705 10 in. Contractor Table Saw
2705 10 in. Contractor Table Saw
LS1430 14" Miter Saw
LS1430 14" Miter Saw
LS1400 14" Miter Saw
LS1400 14" Miter Saw
LS1016L 10" Dual Slide Miter Saw

Products Compatibility

This item works with the following types of products:

  • • Chain Saw
  • • Circular Saw
  • • Demolition Hammer
  • • Grinder
  • • Impact Wrench
  • • Jointer
  • • Miter Saw
  • • Planer
  • • Rotary Hammer
  • • Router
  • • Sander
  • • Saw
  • • Table Saw
Expand List
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
Tool Type:
Miter Saw
Parts Used:
Brush Holder Cap - 643650-4
Switch Button - 411478-6
Slide Plate - 344477-2
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Socket set
Slide plate was worn out, figured it was a good time to replace carbon brush set also.
Removed the bolts that hole the fence on the miter saw.
Removed the bolt that holds the saw body to the base plate.
Separated the saw body from the base plate and replaced slide plates.
Reassembled in reverse order.
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Tool Type:
Demolition Hammer
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB155
Rear Cover - 284055-5
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Missing parts.
Replaced the missing parts.
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Tool Type:
Circular Saw
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Needed brushes.
1. Removed brush caps.
2. Removed old brushes.
3. Installed new brushes.
4. Installed caps.
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Tool Type:
Miter Saw
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Routine examination showed brushes nearing the end of their live
This repair was simply a matter of unscrewing the brush caps, removing old brushes, and installing the replacements. I had purchased new caps in case I lost or messed one up, but didn't need them.
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Tool Type:
Circular Saw
Parts Used:
Brush Holder Cap - 643650-4
Power Supply Cord - 664820-2
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, wire crimp & cut
Saw would not run. Tested & found no power to the trigger = bad cord.
1. Removed side handle cover
2. Disconnected old cord from trigger and ground lug, removed trigger
3. Removed strain relief clamp
4. Removed cord guard
5. Went to hardware store to buy 3 non-insulated connector eyes
6. Stripped wire ends and crimped connectors
7. Reversed disassembly above.

This cord does not come with non-insulated connectors or stripped wire and exposed strain relief loop. There are no part numbers for crimp connectors needed.
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Tool Type:
Chop Saw
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
My Makita chop saw would only start when I spun the blade and held down the trigger for a while
Unscrew the brush holder caps, take out the old brush/spring combo, replace with the new brush set and screw back on caps
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Tool Type:
Chop Saw
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Tool would not run up to speed
Removed brush caps with a screwdriver, then pulled out the worn brushes. Installed the new brush set, and the new brush caps.
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0 of 1 people found this instruction helpful
Tool Type:
Chop Saw
Parts Used:
Brush Holder Cap - 643650-4
Carbon Brush Set - CB154
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Brushes worn
1. Removed caps
2. Removed old brushes
3. Installed new brushes
4. Installed new caps
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Reviews
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Average Rating (out of 5):
3 Reviews
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  • Easy repair
    Saw is working again. New brushes and caps were what it needed. Great!
    Guest - August 13, 2019 Verified Purchase
    Cap
    Right part easy fix
    Guest - 7 days ago Verified Purchase
    Review of a larger order - SLOW shipping
    This is a review of a much larger order than 1 brush cap. eReplacement customer service was ok. Many items had to be sourced from the manufacturers which took quite awhile and they couldn't tell me how long. Only a 3 star review was because once they had all my items and shipped them, they used FedEx SmartPost which took FOREVER to get here when I was already behind on waiting for these parts. For the shipping price, they should use a faster method like UPS, regular Fedex or Priority mail.
    Guest - September 13, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Makita
    Product Number: 643650-4
    Classification: Part
    Weight: 0.01 lbs.
    Also Known As: Carbon Brush Holder Cap, Motor Brush Holder Cap
    Shipping: Ships Worldwide
    Repair Guides
    Watch the Repair Video for Brush Holder Cap
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