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  NA121629 Carbon Brush

Carbon Brush NA121629

OEM part for: DeWALT

Part Number: NA121629


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Carbon Brush - NA121629:DeWALTCarbon Brush - NA121629:DeWALT
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Easy Less than 15 minutes (26 rated repairs)?
OEM: Original Equipment Manufacturer ?
DeWALT
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Product Description ?

Genuine Dewalt replacement part used on Small Angle Grinder. This brush has a lead wire attached and it is Sold Individually. It is always best to replace both brushes, even if only one is worn.

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.

  • Classification: Part
  • Weight: 0.01 lbs.
  • Also Known As: Motor Brush
  • Shipping: Ships Worldwide

Frequently Purchased Together ?

Compatibility

This part will fit the following 78 machines

DeWALT

DWE402 4-1/2" Small Angle Grinder View Diagrams & Manuals
DWE402N (1) 4-1/2" Angle Grinder View Diagrams & Manuals
DWE402N (2) 4-1/2" Angle Grinder View Diagrams & Manuals
DWE402N (4) 4-1/2" Angle Grinder View Diagrams & Manuals
DWE402G (Type 1) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE402G (Type 2) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE402K (Type 1) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE402K (Type 2) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE4214 (Type 1) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE4214 (Type 2) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE402W (Type 1) 4-1/2in Angle Grinder View Diagrams & Manuals
DWE43066 (Type 1) 5/6 13a Small Angle Trigger Switch Grinder View Diagrams & Manuals
DWE43066N (Type 1) 5/6 13a Small Angle Trigger Switch Grinder View Diagrams & Manuals
DWE43131 (Type 1) 4-1/2/5in 13a 1700mw View Diagrams & Manuals
DWE43140 (Type 1) 6in 13a 1700mwo 9k S View Diagrams & Manuals
DWE43144 (Type 1) 6in 13a 1700mwo 9k View Diagrams & Manuals
DWE43144N (Type 1) 6in 13a 1700mwo 9k View Diagrams & Manuals
DWE46103 (Type 1) 6in 13a Tuckpoint Gr View Diagrams & Manuals
DWE4222 (Type 1) 4-1/2in/5in Pad Sag View Diagrams & Manuals
DWE4222N (Type 1) 4-1/2 Paddle Sag View Diagrams & Manuals
DWE4222N (Type 3) 4-1/2 Paddle Sag View Diagrams & Manuals
DWE4224 (Type 1) 4-1/2 Sag, Slide View Diagrams & Manuals
DWE43114 (Type 1) 4-1/2i5in 13a,11k Rp View Diagrams & Manuals
DWE43114N (Type 1) 4-1/2" - 5" HIGH PERFORMANCE PADDLE SWITCH GRINDER View Diagrams & Manuals
DWE43115 (Type 1) 4-1/2/5in 13a 11k Tr View Diagrams & Manuals
DWE43115N (Type 1) 4-1/2/5in 13a 11k Tr View Diagrams & Manuals
DWE43116 (Type 1) 4-1/2-5/6i 13a 9k Tr View Diagrams & Manuals
DWE43113 (Type 1) 4.5-6in 13a Trig Swi View Diagrams & Manuals
DWE46144N (Type 1) 6in 9krpm No Lock On View Diagrams & Manuals
DWE46166N (Type 1) 6in 9krpm, No Loc On View Diagrams & Manuals
DWE402G (Type 4) 4-1/2-Inch Heavy-Duty Small Angle Grinder View Diagrams & Manuals
DWE402K (Type 4) 4-1/2-Inch Heavy-Duty Small Angle Grinder View Diagrams & Manuals
DWE4214 (Type 4) 4-1/2-Inch Heavy-Duty Small Angle Grinder View Diagrams & Manuals
DWE402 (Type 1) 4-1/2in 11a Ang Grnd Power Tool View Diagrams & Manuals
DWE402 (Type 15) 4-1/2in 11a Ang Grnd Power Tool View Diagrams & Manuals
DWE402 (Type 2) 4-1/2in 11a Ang Grnd Power Tool View Diagrams & Manuals
DWE402 (Type 3) 4-1/2in 11a Ang Grnd Power Tool View Diagrams & Manuals
DWE402 (Type 4) 4-1/2in 11a Ang Grnd Power Tool View Diagrams & Manuals
DWE402G (Type 15) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402G (Type 3) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402K (Type 15) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402K (Type 3) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402N (Type 1) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402N (Type 15) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402N (Type 2) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402N (Type 3) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402N (Type 4) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE402W (Type 3) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE4212-B3 (Type 1) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4212-B3 (Type 3) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4212-BR (Type 1) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4212-BR (Type 3) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4214-B3 (Type 1) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4214-BR (Type 1) 1200w 5 In Small Angle Gr Power Tool View Diagrams & Manuals
DWE4214 (Type 15) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE4214 (Type 3) 4-1/2in Angle Grinder Power Tool View Diagrams & Manuals
DWE43066 (Type 2) 5/6 13a 1700mwp 9k T Power Tool View Diagrams & Manuals
DWE43066N (Type 2) 5/6 13a 1700mwo 9k T Power Tool View Diagrams & Manuals
DWE43113 (Type 2) 4.5-6in 13a Trig Swi Power Tool View Diagrams & Manuals
DWE43114 (Type 2) 4-1/2i5in 13a,11k Rp Power Tool View Diagrams & Manuals
DWE43114N (Type 2) 4-1/2/5in 13a 11k Rp Power Tool View Diagrams & Manuals
DWE43115 (Type 2) 4-1/2/5in 13a 11k Tr Power Tool View Diagrams & Manuals
DWE43115N (Type 2) 4-1/2/5in 13a 11k Tr Power Tool View Diagrams & Manuals
DWE43116 (Type 2) 4-1/2-5/6i 13a 9k Tr Power Tool View Diagrams & Manuals
DWE43116N (Type 1) 4-1/2 5/6 Tr Gr Grinder Power Tool View Diagrams & Manuals
DWE43116N (Type 2) 4-1/2 5/6 Tr Gr Grinder Power Tool View Diagrams & Manuals
DWE43131 (Type 2) 4-1/2/5in 13a 1700mw Power Tool View Diagrams & Manuals
DWE43140 (Type 2) 4 1/2in Trim Saw Power Tool View Diagrams & Manuals
DWE43144 (Type 2) 4 1/2in Trim Saw Power Tool View Diagrams & Manuals
DWE43144N (Type 2) 4 1/2in Trim Saw Power Tool View Diagrams & Manuals
DWE4315-B3 (Type 1) 5in 1500w Angle Grinder Power Tool View Diagrams & Manuals
DWE4336-B3 (Type 1) 5 1500w Angle Grinder Power Tool View Diagrams & Manuals
DWE4336-BR (Type 1) 5in 1500w Angle Grinder Power Tool View Diagrams & Manuals
DWE46103 (Type 2) 6in 13a Tuckpoint Gr Power Tool View Diagrams & Manuals
DWE4314-B3 (Type 1) 4 1/2in Trim Saw Power Tool View Diagrams & Manuals
DWE4314N-BR (Type 1) 4 1/2in Trim Saw Power Tool View Diagrams & Manuals
DWE46144N (Type 2) 6in 9krpm No Lock On Power Tool View Diagrams & Manuals
DWE46166N (Type 2) 6in 9krpm, No Loc On Power Tool View Diagrams & Manuals
Show More Compatible Models
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This item works with the following types of products:

  • Grinder Parts

This part replaces obsolete part #: N257540 (120v Pop-Off)

Customer Part Reviews ?

4.9
Average Rating (out of 5):
28 Reviews
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  • EASY REPAIR
    BRUSHES ARRIVED AS PROMISED. EVERYTHING FITS GREAT AND THE GRINDER REPAIR WENT SMOOTHLY.
    ROBERT - November 4, 2023 Verified Purchase
    Amazed at how quickly I received this.
    I’m in Alaska and expected it to be 1-2 weeks to get here. It made it before the end of the week and I was able to put my tool back to work. Thank you. Will definitely be ordering from here again when needed.
    Paul Westphale - September 7, 2023 Verified Purchase
    Service
    Always great service and great products.
    David - June 7, 2023 Verified Purchase
    Dewalt grinder brushes
    Easy to find and easy to order!
    Lyle - May 5, 2023 Verified Purchase
    Easy fix for my grinder
    The parts arrived quickly and in about 10 minutes my grinder is working perfectly!
    Guest - March 28, 2023 Verified Purchase
    Replacement brushes.
    Fair price and shipping. Parts were correct, fit perfectly. Back in business. Will be buying from them again.
    Daniel Fleuter - January 2, 2023 Verified Purchase
    EASY PEASY
    IF IT WAS ANY EASIER A CAVEMAN COULD DO IT.
    Guest - December 1, 2022 Verified Purchase
    Grinder Brushes
    These brushes work great to keep our 8 fab shop grinders running. Thank you for suppling good quality parts.
    Dan - September 21, 2022 Verified Purchase
    Great Supplier.
    Very nice to speak with, got exactly what I needed. Will certainly do business with them again.
    Tom - September 8, 2022 Verified Purchase
    Keeping It Going
    Thankful that eReplacment Parts exists! A resource like this is CRITICAL both now and in the future. The supply chain issues and inflation will only increase so the ability to find the proper replacement parts to keep your tools and equipment going is a MUST!
    Aaron - June 15, 2022 Verified Purchase
    t
    t
    t - t days ago Verified Purchase
    eReplacementParts Team
    t

    Questions & Answers ?

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

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    Ask our Team

    We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

    Does this fit my product?

    Questions & Answers for Carbon Brush


    i need brushes for a DW402 grinder could you let me know the part #
    juan for model number Dw402 asked on 2022-03-17
    Hi Juan, Thank you for your question. The part number listed under your model number for the brush is 445861-25. They are sold individually. If you need help placing an order for them, customer service is open 7 days a week and anyone will be happy to assist you. Please feel free to give us a call. We look forward to hearing from you!
    eReplacementParts Team March 17, 2022

    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 Less than 15 minutes (26 rated repairs)?

    Grinder would not run

    Mike - January 13, 2017
    👍 6 of 6 people found this instruction helpful
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Torx Bit Screwdriver

    1- Remove three torx screws that hold the handle on
    2- Remove front and back side of handle.
    3- Remove plastic lever used to turn grander on by prying it straight up.
    4- Remove old brushes (Note: old/org brushes have a spring pin in them that will stop the motor from running when the brushes wear down so far)
    5- Install new brushes
    6- Reinstall black plastic lever
    7- Reinstall back and front of handle
    8- Reinstall Torx screws
    9-Test
    10- Done
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Stop working

    Pedro - May 14, 2018
    👍 4 of 4 people found this instruction helpful
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver

    We change the brushes and start working, easy
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Switch was bad

    Jason - June 9, 2017
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Grinder

    Difficulty

    Medium

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    Disassembled the grinder to replace the switch and replaced the brushes while I had it tore apart.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Grinder stopped running during use

    Joseph - March 22, 2017
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    , Star bits

    Removed plastic housing, located brush, removed from the grinder and replaced with new one, put housing back together and plugged into the wall.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    the brushes were worn out and the power cord was damaged

    ROBERT - March 3, 2023
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Pliers, hex head Allen wrench

    removed the rear covers and the brushes as well as the damaged power cord.
    replaced the brushes and cord and reassembled the covers.
    the unit worked perfectly.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Carbon brush was broken

    Liem - January 1, 2023
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    , Alley wrench

    Change the carbon brushes out
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Grinder was not turning on when I pull the trigger

    Jose - November 2, 2022
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver, Pliers

    1. Remove screws to remove a cap to have access to the trigger.
    2. Carefully disconnect wires from the broken trigger.
    3. Put new trigger in place and connect the wires back.
    4. Before put the cap back on make sure the wires are the way they were before so they don't get smashed.
    5. Put screws back on and go to go.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Worn brushes

    Al - August 27, 2022
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, None

    Easy to replace the worn brushes with new ones supplied. Every thing works perfect.
    Thanks!
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Grinders stopped working

    Albert - July 22, 2022
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Pliers

    Removed grinder cover over brushes. Disconnected 2 old brushes, replace with new brushes. reinstall cover. We easily repaired 12 grinders that did not work. All of them are working well.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Grinders with worn out brushs and one needing a switch, we have 14 grinders

    michael - March 30, 2022
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    Removed rear covers, checked AC input with volt meter, checked output from switch.
    Checked brushs and replaced, one grinder needed a switch. re-assembled.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

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    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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