Easy
15-30 minutes
This genuine manufacturer approved replacement carbon brush is designed for use with Craftsman grinders. This assembly includes one (1) carbon brush with a lead wire attached. Please note the spring and brush holder are sold separately.
Due to constant with contact with armature brushes will gradually wear down and will require replacement. It is advised to replace both brushes at the same type.
You would need a screwdriver to complete this job.
• Make sure the unit is unplugged
• Remove screws holding the housing together
• Remove housing to gain access to brush holders
• Remove old brush and install the new one in the brush holder
• Re-assemble housing and test the tool
Craftsman Brush (sold Individu 939539-00
OEM part for: Craftsman, DeWALT
Part Number: 939539-00
$7.95
In Stock
Order within the next 2 hours and your part ships today! 
Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Compatibility
This part will fit the following 9 machines
Craftsman
900277422 Grinder View Diagrams & Manuals
900277420 Grinder View Diagrams & Manuals
900264370 Grinder View Diagrams & Manuals
900277431 Grinder View Diagrams & Manuals
900277031 Grinder View Diagrams & Manuals
900277421 Grinder View Diagrams & Manuals
900245440 Angle Grinder View Diagrams & Manuals
DeWALT
DW818-B3 (Type 4) Slider Sag View Diagrams & Manuals
DW818-B3 (Type 5) Slider Sag View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Grinder Parts
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
3
4 stars
0
3 stars
0
2 stars
0
1 stars
0
< PREV
- 1
fit right
easy ordering and parts were right the first time
Guest -
January 5, 2022
Verified Purchase
Craftsman angle grinder.
These parts were the perfect fit for my work tool. Thanks
Jesse -
December 28, 2019
Verified Purchase
Correct part, easy shopping and fast delivery
I needed new brushes for my favorite tool, my craftsman 4" angle grinder, and found them here. There were an exact match, fit in the tool, and it fired right up! super Stoked to have my grinder back working!
Guest -
August 7, 2019
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.
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 Craftsman Brush (sold Individu
No questions have been asked yet
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.
Motor stopped running: brushes were worn down and lost commutator contact
Ian - July 30, 2016
👍 1 of 1 people found this instruction helpful
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
1. Removed housing screws.
2. Separated housing and removed armature.
3. Used 600 grit sand paper to clean commutator contacts.
4. Removed old brushes and slid new brushes in brush holders.
5. Used compressed air and blew out any debris.
6. Applied some wheel bearing grease to the gearing.
7. Reassembled.
Tool was Craftsman 4 1/2" angle grinder 16 years old.
2. Separated housing and removed armature.
3. Used 600 grit sand paper to clean commutator contacts.
4. Removed old brushes and slid new brushes in brush holders.
5. Used compressed air and blew out any debris.
6. Applied some wheel bearing grease to the gearing.
7. Reassembled.
Tool was Craftsman 4 1/2" angle grinder 16 years old.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
on-off slide switch woul not stay latched, had to be held on at all times
PETER - January 7, 2022
Tool Type
Grinder
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, anti-tamper torques bits with driver
Remove grinder gear head, 4 screws.Remove rear housing 1 screw. disconnect brushes. Pull out rotor and attached fan,diffuser, and bearing. Pull leads out of stator and caps to remove 2 screws. Unplug switch leads, remove switch and switch support, power cord all together. Push stator assembly forward out of housing far enough to get link and button out of housing. Put new link in slot and snap button in end of link through housing opening. Push stator to the rear back onto the housing. Assemble everything back in reverse. Note; When putting rotor in housing make sure the little tabs on fan diffuser are lined up.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Brushes were pretty worn out.
Carol - June 21, 2018
Tool Type
Grinder
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed the old brushes and replaced them with the new brushes. Very easy!! Only had to use a screw driver to put the housing back together.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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.
