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Product Description
?Genuine Dewalt replacement part, this item is sold individually. This part contains the Brush Holder,Brush Spring and Brush. It is used on all of the tools listed below. It is always best to replace both brushes, even if only one is worn. Worn brushes frequently are the cause behind a motor running poorly. Replacing brushes can fix a motor that's operating intermittently. New brushes can restore a motor's electric braking. Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.
Frequently Purchased Together
?Troubleshooting
- DeWALT
- Impact Driver
- Wrench
- Cordless Drill
- Hammer Drill
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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Drill motor brushes needed to be replaced
David from Lansdale, Pennsylvania
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Pliers, Screw drivers
1. Removed screws holding drill housing together
2. Opened drill clamshell housing
3. Removed screws holding motor in place and removed motor to get access to both halves of old brush assembly
4. Disconnected and removed old brush assembly using needle nose pliers
5. Inst ... Read more alled and connected bottom brush assembly
6. Reinstalled motor, attached second (top) brush assembly and reinstalled motor hold down clamp and screws
7. Closed clamshell housing and reinserted screws making sure trigger and forward/ reverse toggle switch were properly aligned and operational before reinstalling screws.
Tested it out
Brushes worn out .
KENNETH from MANVILLE, New Jersey
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
Disconnect the brush leads
Remove the brush assemblies
Install the new brushes
Connect the brush leads
Make sure all of the parts are in their correct place
Screw the housings together
Brushes was worn out
Marvin from Westernport, Maryland
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
Reverse lever broke
Harold from Fort Walton Bch, Florida
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
2. Replaced brushes because I have had the drill for sometime and use it every day
3. Also replaced the broken reverse lever.
4. Drill working very well for its age
needed new brushes
Mike from Texarkana, Texas
Running poorly
Kevin from Oakbrook Terrace, Illinois
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Pliers, Screw drivers
Poor power output, ran slow, excessive sparking, and hot smell
David from Sandy Spring, Maryland
1. Removed several Torx screws from cover side of drill
2. Removed two Torx screws from motor shaft clamp
3. pulled out right hand brush and bracket, removed wire connector.
4. Gently eased motor and transmission units out as one assembly
5. Pulled out left hand brush and bracket, r ... Read more emoved wire connector.
6. Connected and inserted left replacement brush assembly
7. cleaned copper contact surfaced with pencil eraser
7. Replaced motor/transmission assembly, careful to align notches
8. Connected and inserted right replacement brush assembly
9. tucked brush wires back into groove
10. replaced cover and reinstalled Torx screws
drill quit
Wanda from Temple, Texas
brushes worn
Ralph from Riverside, California
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
removed motor and clutch
removed brushes and holder
installed new brushes and holder
installed motor and clutch carefully
make sure drill housing fits with a audible click
secured torque screws
Brushs arching badly on commutator..brushes were worn down and springs had lost their tension
Dale from Lynden, Washington
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Pliers
Note: Be careful when ordering your parts to place close attention to the shape of the brush holder, as the 2 brushes are different. in the Dewalt drill, and possibly many other brands..
The 2 things I like about replacement parts is the accuracy of the pictures of the parts on their site, and also their prices.
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Model Cross Reference
Manufacturer Part Number: N157129
| Brand | Model Number | Description |
|---|---|---|
| DeWALT | DC720KA | Cordless Drill - 18V Drill Driver |
| DeWALT | DC720KA-AR | Boring Machine - 18v Drill Driver |
| DeWALT | DC725A | Hammer Drill - 18V Hammer Drill Driver |
| DeWALT | DC725B | Hammer Drill - 18v Hammer Drill |
| DeWALT | DC725K-2 | Electric Drill - 18v 1/2 Comp Hamdril |
| DeWALT | DC725KA | Hammer Drill - 18v Hammer Drill Driver |
| DeWALT | DC725VA | Hammer Drill - 18v Hammer Drill |
| DeWALT | DC730A | Cordless Drill - 14.4V Drill Driver |
| DeWALT | DC730KA | Boring Machine - 14.4v Drill Driver |
| DeWALT | DC742KA | Cordless Drill - 12V Drill / Driver |
| DeWALT | DC742VA | Cordless Drill - 12V Drill / Driver |
| DeWALT | DC820 | Impact Driver - 18V Compact Impact Wrench |
| DeWALT | DC820B | Impact Driver - 18V Impact Wrench |
| DeWALT | DC820KA | Impact Driver - 18V Compact Impact Wrench |
| DeWALT | DC820KA-BR | Wrench - 18v Compact Impact Wrench |
| DeWALT | DC822 | Impact Driver - 18V Impact Wrench |
| DeWALT | DC822KL | Wrench - 18v Impact Wrench |
| DeWALT | DC823 | Impact Driver - 18V Impact Wrench |
| DeWALT | DC823B | Wrench - 18v Impact Wrench |
| DeWALT | DC823KA | Impact Driver - 18V Compact Impact Wrench |
| DeWALT | DC825 | Impact Driver - 18V Compact Impact Driver |
| DeWALT | DC825B | Impact Driver - 18V Impact Driver |
| DeWALT | DC825KA | Impact Driver - 18V Compact Impact Wrench |
| DeWALT | DC827 | Impact Driver - 18V Compact Impact Driver |
| DeWALT | DC827KL | Impact Driver - 18v Compact Impact Driver |
| DeWALT | DC830 | Impact Driver - 14.4V Impact Wrench |
| DeWALT | DC830KA | Impact Driver - 20443 |
| DeWALT | DC833KA | Wrench - 14.4v Impact Wrench |
| DeWALT | DC835 | Impact Driver - 14.4V Impact Driver |
| DeWALT | DC835KA | Impact Driver - 20442 |
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.