Part Location Diagram of 445860-00 DeWALT Brush Spring
See part 4 in the diagram
Replacing your DeWALT Electric Drill Brush Spring
( Grid squares measure 1x1 inch )

Brush Spring 445860-00

Manufactured by:
DeWALT
ERP Number:
ERP10173420
Part Number:
445860-00
Original Equipment Manufacturer ?
  Works with your model  DW402K!
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

A Bit Difficult 

30 - 60 mins 

(6 rated repairs) ?
  Works with your model   DW402K!

Product Description

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This is a genuine OEM replacement part, it is sold individually. This part is used to keep the brush tight against the armature so the tool will work properly. Over time when the brushes wear down and heat is created, the spring may lose its tension and will have to be replaced.

Troubleshooting

This part works with the following brands:
  • DeWALT
  • Black and Decker
  • Craftsman
  • Porter Cable
  • DeVilbiss
This part works with the following products:
  • Electric Drill
  • Sander Polisher
  • Jig Saw
  • Angle Grinder
  • Orbital or Palm Sander
  • Nibbler & Shears
  • Circular Saw
  • Cordless Drill
  • Boring Machine
  • Hammer Drill
  • Reciprocating Saw
  • Grinder
  • Drill
  • Planer Jointer
  • Chop Saw
  • Sander
  • Screwdriver
  • Trimmer
  • Biscuit Joiner
Part# 445860-00 replaces these:
445860-00, P445860-00,

Videos For installing this part.

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Replacing your Brush Spring

Customer Part Reviews

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5.0
Average Rating (out of 5):
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★★★★★
(5 Reviews)
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Questions & Answers

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Don't know meassure
John For model number Dcs381tuye1brush ring brush springs and pr 20volt cordless saw -zDewaltice - December 21, 2022

Hi John, Thank you for your question. The brush ring, part number 382178-01, measures approximately 2.250 inches high by 2 inches long by 2 inches wide. The brush spring, part number 445860-00, measures approximately 0.625 inches long by 0.25 inches wide. If you need help placing an order for these parts, 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
December 21, 2022

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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.

A Bit Difficult 

30 - 60 mins 

(6 rated repairs) ?
  • 1
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No power while griding

Troy from Wagoner, Oklahoma

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
445860-00
Changed springs and brushes. Also cha get brush holder. Cleaned all parts and reassembled unit. Works like new.
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The brushes seized sure to moisture

Stuart from Alburtis, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Parts Used:
445860-00, 387558-01, 382178-01
I took the still apart and realize that the brushes have welded themselves to the brush casing. As I tried to remove the brush it cracked the brush housing. I then ordered new brushes new springs and the brush holder and installed everything after carefully brushing down all the parts and cleaning everything. Put it all together and it wo rks fine
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Handle of case broke off and with it, broke brush ring holding contact brushes to commutator.

Darrell from Deltona, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers
Parts Used:
445860-00, 382178-01
Take case apart and separate into 4 parts.
Pull commutator out of end bearing to access brush ring.
Remove brush ring and replace with new.
Install commutator.
Install brushes in brush ring and attach holding springs
Put case parts together
The handle broke off because plastic mountings broke. Instead o f getting new handle parts, I improvised and used an automotive glue to attach handle parts. Vibration initially broke handle, but gluing is more resistant to breakage.However, will be extremely hard to take apart if needed.
the tool is over 10 yrs old already. I\'m sure it will last me a long time.
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Grinder made noise when operating and was weak power

Jim from Tijeras, New Mexico

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
650916-01, 445860-00
Finished replacing springs and brushes.
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Bracket that holds the brushes broke

Glenn from Silver Spring, Maryland

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
445860-00, 382178-01
Took apart the saw and replaced the bracket and installed new brush holding spring clip.
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I bought a Dewalt cordless circular saw at a thrift store for $5. The trigger was burned out.

Joel from Colorado Springs, Colorado

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers
Parts Used:
445860-00, 382178-01
I took the saw apart. This took the most time since I could find no instructions on how to take it apart. Least obvious issue was that there was a retainer ring on the saw side of the motor shaft that allowed me to take of the saw cover and safety cover. As I went along, I ordered parts that I needed. Especially since I lost one of th e brush springs and broke the brush ring! I wish I would have figured out all the parts I needed first so I could save money on shipping! Toughest problem was that I could not find any replacement parts for the burned out switch - I had to take the switch apart and solder the terminals. Good news is that I used the saw yesterday to cut wood!
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