Part Location Diagram of 402874-03 DeWALT Carbon Brush
See part 104 in the diagram
( Grid squares measure 1x1 inch )
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Carbon Brush 402874-03

 Fits your W830!
$7.65
  In Stock
 Fits your W830!
PartSelect Number PS10172331
Manufacturer Part Number 402874-03
Manufactured by DeWALT
Product Description

Carbon Brush Specifications

This is a genuine DeWalt replacement carbon brush, designed to restore your power tool’s performance and extend motor life. Sold individually, this brush is compatible with the models listed below—please note that most tools require two brushes, and it’s always recommended to replace both at the same time, even if only one appears worn. Carbon brushes are among the most commonly replaced parts in power tools. Over time, they wear down through friction, which can lead to poor motor performance, intermittent operation, reduced electric braking, or even complete motor failure. This replacement includes the carbon block, wire lead, and connection terminal for easy installation. If your tool is running inconsistently or has lost power, worn brushes may be the cause. When replacing them, be sure to inspect the armature for signs of damage such as burns or cracks, which could indicate more serious motor issues. Regular maintenance and timely brush replacement can help keep your tools running smoothly and efficiently.
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Troubleshooting
This part works with the following products:
Angle Grinder.
This part works with the following products:
DeWALT, Black and Decker, Craftsman, DeVilbiss.
Part# 402874-03 replaces these:
402874-03
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Related Parts
Model Cross Reference
This part works with the following models:
PartSelect Number: PS10172331
Manufacturer Part Number: 402874-03
Brand
Model Number
Description
Black and Decker
26724
Accessories - Accessories
Black and Decker
27724
Angle Grinder - 5 Inch Angle Grinder
Craftsman
900277240
Angle Grinder - 5" Angle Grinder
DeWALT
DW4008BR
- Dw830 Brushes
DeWALT
DW830
Angle Grinder - Angle Grinder
DeWALT
DW831
Angle Grinder - Angle Grinder
DeWALT
W830
Grinder - DeWalt Grinder Model W830 Parts
DeWALT
W831
Grinder - DeWalt Grinder Model W831 Parts
Customer Service Representative

Get in touch, we're here to help!

1-866-883-8386 Monday to Saturday
8am - 8pm EST

Contact Customer Service