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Repair Parts Home  Power Tool Parts  Hitachi Parts  999-043 Carbon Brush Set

Carbon Brush Set

Part Number: 999-043
Hitachi
Availability: 25+ in stock
Price: $5.99
Quantity:
Ships within 1 business day
Description:
This is a genuine Hitachi replacement part, they are sold as a pair (2).
Worn brushes are often the cause of a poorly running motor
• Replacing brushes can fix an intermittent motor
• New brushes can restore a motor’s electric braking


Carbon motor brushes are one of the most commonly replaced power tool components. Because carbon brushes are wear items, meaning that through friction and use they will gradually wear away, they will eventually require replacement. Worn brushes are common causes of intermittent motor function, reduced electric braking, and reduced motor power.

A worn out brush will often be worn down near the wire lead and may be cracked, pitted, or burned. When replacing carbon brushes, be sure to also inspect your armature for burns, cracks, or other damage which indicates a larger motor problem.

Product Information
Manufacturer: Hitachi
Product Number: 999-043
Classification: Part
Weight: 0.03 lbs.
Also Known As: Motor Brush Set
Shipping: Ships Worldwide
Compatibility

This part is compatible with the following machines:

Hitachi

Products Compatibility

This item works with the following types of products:

  • • Circular Saw
  • • Demolition Hammer
  • • Drill
  • • Engine
  • • Grinder
  • • Hammer Drill
  • • Impact Wrench
  • • Miter Saw
  • • Planer
  • • Polisher
  • • Reciprocating Saw
  • • Rotary Hammer
  • • Router
  • • Sander
  • • Saw
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Questions & Answers

Yes what are the dimensions? Why wouldn't you list this information?
Randall vant Hof
Hello Randall, thank you for your inquiry! We have found that the dimensions are (LxWxH): 0.71" x 0.43" x 0.27". I hope this information helps!
Repair Instructions: Submitted by Customers Like You
3 of 4 people found this instruction helpful
Tool Type:
Miter Saw
Parts Used:
Lock Off Button - 951895
Carbon Brush Set - 999-043
Switch - 998-839
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Wrench Set
Hitachi compound miter saw wouldn't start
Remove the brush caps
Remove the old brushes
Installed the new brushes
Replace the brush caps
Removed the side cover
Disconnected the wires from the old switch
Connected the wires to the new switch
Replaced the side cover
Pressed in the lock button
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2 of 3 people found this instruction helpful
Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - 999-043
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Old brushes were arcing.
Unscrew the brush holder caps...removed the old brushes. .
Inserted the new ones and replaced the caps
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Tool Type:
Chop Saw
Parts Used:
Carbon Brush Set - 999-043
Sub Fence (B) Assy - 321-385
Felt - 996-226
Safety Cover - 321-367
Switch Handle (Left Side) - 321-382
Repair Difficulty:
Easy
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver
Handle for trigger button broke.
Changed the parts, simple.
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Brushes were sparking more than normal and power was reduced.
Removed worn brushes, replaced with new ones, problem solved! Runs like new again!
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
The brushes were burned up
1 Unplug the saw
2 Unscrew the brush caps
3 Take the old brushes out
4 Took the new brushes out of the package and made the repair.
5 Plugged the saw back in.
Took all but 5 minutes for repair.
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Table Insert - 998-818
Felt - 996-226
Switch - 998-839
Safety and Sub Cover Set - 305-816
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Nutdriver, Adjustable Wrench
Basically had a well used , well maintained Hitachi 8.5 " compound miter saw that needed new parts as the old ones were well worn.
Pretty easy disassembly and just made sure not to lose any parts, nuts, or screws. All went well and was done in about 45 minutes. Back up and running like new. Thanks for the great service and prompt deliver! We will use your company again, and again. Saves us a lot of time and money and keeps things running safe and efficient.
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Brushes
Unscrewed the brush caps with a screwdriver, removed the old brushes, put in the new brushes, screwed the brush caps back on.
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Guard (A) - 321-333
Safety Cover - 321-367
Table Insert - 319-549
Handle (R) - 321-380
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Wire cutter and wire nuts
Broken housings
Remove all the screws from the broken housing and electrical connections from the housing, then replace the new housing and put back the electrical connections. Thank you eReplacementParts.com for the new replacement parts, very easy job!!!
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Tool Type:
Miter Saw
Parts Used:
Carbon Brush Set - 999-043
Brush Holder - 960-685
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Allen wrench
Brushes corroded and fused to the brush holders
Unplugged, used penetrant to loosen then removed holding fasteners (that secured brush holders) pried out brush holders, sanded commutator, cleaned, installed new brush holders and their holding fasteners then brushes, then screwed end piece back on.
Note: The outer end of the brushes need to be aliened into their slots in the holders before you try to screw on the brush caps.
As the new brushes wear in you may get better braking. keep it clean and out of the weather and use the dust bag.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - 999-043
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
No power.
Removed the brush cover plate and installed the brush.
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Reviews
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Average Rating (out of 5):
5 Reviews
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  • Broken saw
    I ordered two parts for my saw. Was easy to navigate the website and parts were shipped out right away. Would recommend to anyone
    Roy - 6 days ago Verified Purchase
    Brushing up on saw repair.
    Same as originals. One original not making contact with armature and was so stuck it came apart trying to take it out. I have another set ordered and on the way. This time I'll see what is causing the thing to get in such a bind (before I get it stuck).
    Audie - 11 days ago Verified Purchase
    Worked as should quick delivery easy part look up
    All is well
    Guest - 27 days ago Verified Purchase
    brush set receive and installation
    Part arrived quickly an was easy to install. The best thing is that it was the correct part and works great, also the shipping was free.
    Guest - May 17, 2019 Verified Purchase
    Package came complete
    Sometimes came with extra screws very handy
    Guest - May 8, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    • Most Recent
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