- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Product Description
?This is an authentic OEM sourced replacement brush cap. It is specially designed for Makita power tools. The purpose of the brush cap is to secure the carbon brush in the holder. Please note, this plastic item is sold individually. You would need a flathead screwdriver to install or remove this brush cap.
Frequently Purchased Together
?Troubleshooting
- Makita
- Drill
- Grinder
- Planer Jointer
- Sander Grinder
Videos For installing this part.
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Customer Part Reviews
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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.
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End bell, brushes and holder caps fused together - won\'t run
James from Grand Portage, Minnesota
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers
2. Assembled new end bell, brushes and caps together.
3. Removed damaged end bell assembly from shaft.
4. Cleaned commutator plates with very fine emery paper.
5. Assembled new assembly to s ... Read more haft.
6. Reassembled drill/driver following details noted in step 1.
Would not turn on
Adrian from Fullerton, California
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
The brush set and end bell had been overheated due to a hard job
Richard from Adelphi, Maryland
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers
The parts simply unplug and re-plug to replace them. The beam type spring on the front of the drill that provides the detents for the torque on the screw drive function fell out ... Read more and it wasn\'t clear how it went in (it slides into a groove on the left side) from the drawings.
Be very cautious with small parts/springs because they can shoot out of there holders.
Stuck and worn brushes.
Tommy from TRION, Georgia
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
Missing brush holder cap.
Wilfredo from CIDRA, Puerto Rico
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Pliers, Screw drivers
- Parts Used:
- 643954-4
Low on power, sometimes wouldn\'t turn on.
Jack from Wellsburg, West Virginia
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
2. Removed the screws holding the body together. (5 screws)
3. Removed the two dust brush covers and the two screw on brush covers.
4. Removed the two brushes.
5. Removed the brush holder with two wires. (mine was melted from the heat.)
6. Greased the gear head with a li ... Read more ght grease. (I used superlube)
7. Reassemble in opposite order of taking it apart.
Brush cap missing
Irvin from Dahlonega, Georgia
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 643954-4
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Model Cross Reference
Manufacturer Part Number: 643954-4
| Brand | Model Number | Description |
|---|---|---|
| Makita | 6317DWAE | Drill - Drill |
| Makita | 6337DWAE | Drill - Drill |
| Makita | 6343D | Cordless Drill - Cordless Drill |
| Makita | 6347D | Drill - Drill |
| Makita | 6347DWDE | Cordless Drill - Drill |
| Makita | 8443D | Cordless Drill - Cordless Drill |
| Makita | 8443DWDE | Hammer Drill - Hammer Drill |
| Makita | BDF460 | Cordless Drill - Cordless Drill |
| Makita | BDF460SH | Drill - Drill |
| Makita | BDF460SHE | Drill - Drill |
| Makita | BGA450Z | Grinder - Grinder |
| Makita | BGA452 | Angle Grinder - Angle Grinder |
| Makita | BGA452F | Grinder - Grinder |
| Makita | BGA452Z | Angle Grinder - 18V LXT Lithium-Ion Cordless 4-1/2" Cut-Off/Angle Grinder |
| Makita | BHP460 | Hammer Drill - Hammer Driver Drill |
| Makita | BHP460SH | Drill - Drill |
| Makita | BHP460SHE | Drill - Drill |
| Makita | BHR200SHE | Hammer - Rotary Hammer |
| Makita | LXCU01Z | Saw - Saw |
| Makita | LXJP02 | Planer Jointer - Jointer |
| Makita | LXJP02Z | Planer Jointer - Jointer |
| Makita | SC190D | Nibbler & Shears - Shear |
| Makita | SC190DWDE | Rebar Tools - 18V Cordless Rebar Cutter |
| Makita | XAG01 | Angle Grinder - 18V LXT Lithium-Ion Cordless Grinder Kit |
| Makita | XAG01Z | Angle Grinder - 18V LXT Lithium-Ion 4-1/2" Cut-Off/Angle Grinder |
| Makita | XCU01Z | Saw - Saw |
| Makita | XJP03Z | Planer Jointer - Jointer |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.