Easy
15-30 minutes
This is a genuine manufacturer-approved replacement switch used on a variety of power equipment. It is the part of the tool handling on/off operations, over time it may wear out and begin to fail eventually requiring a replacement. Keep in mind this high-quality component is sold individually.
Switch 23-66-2171
OEM part for: Milwaukee
Part Number: 23-66-2171
$27.60
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 29 machines
Milwaukee
6140 (SER 762C) 4-1/2 Inch Sander-Grinder View Diagrams & Manuals
6140 (SER 762D) 4-1/2 Inch Sander-Grinder View Diagrams & Manuals
6140 (SER 762E) 4-1/2 Inch Sander-Grinder View Diagrams & Manuals
6140 (SER 762F) 4-1/2 Inch Sander-Grinder View Diagrams & Manuals
6141 (SER 763C) 5 Inch DI Sander-Grinder View Diagrams & Manuals
6141 (SER 763D) 5 Inch DI Sander-Grinder View Diagrams & Manuals
6141 (SER 763E) 5 Inch DI Sander-Grinder View Diagrams & Manuals
6141 (SER 763F) 5 Inch DI Sander-Grinder View Diagrams & Manuals
6145-2 (SER 627C) Sander/Grinder View Diagrams & Manuals
6125 (SER 787E) Random Orbit Sander View Diagrams & Manuals
6140-2 (SER 762G) Sander/Grinder View Diagrams & Manuals
6145 (SER 627C) Sander/Grinder View Diagrams & Manuals
6101 (SER 878A) 5.5 Amp Bandfile View Diagrams & Manuals
6101 (SER 878B) 5.5 Amp Bandfile View Diagrams & Manuals
6101 (SER 878C) 5.5 Amp Bandfile View Diagrams & Manuals
6101 (SER 878D) 5.5 Amp Bandfile View Diagrams & Manuals
6101-6 (SER 878E) 5.5 Amp Bandfile View Diagrams & Manuals
6125 (SER 787D) 5 in. Random Orbit Sander, 5.5 Amp, 10,000 OPM View Diagrams & Manuals
6125 (SER 787F) 5 in. Random Orbit Sander, 5.5 Amp, 10,000 OPM View Diagrams & Manuals
6145 (SER 627D) 4-1/2 in. Sander/Grinder View Diagrams & Manuals
6145 (SER 627E) 4-1/2 in. Sander/Grinder View Diagrams & Manuals
6145 (SER 627F) 4-1/2 in. Sander/Grinder View Diagrams & Manuals
6126 (SER 788D) Random Orbit Sander View Diagrams & Manuals
6126 (SER 788E) Orbit Sander View Diagrams & Manuals
5194 (SER 803C) D.I. Grinder View Diagrams & Manuals
5194 (SER 803D) D.I. Grinder View Diagrams & Manuals
5194 (SER 803E) D.I. Grinder View Diagrams & Manuals
5194 (SER 803F) D.I. Grinder View Diagrams & Manuals
6101-6 (878F) Band File View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Grinder Parts
- Sander Parts
Repair Videos ?
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Switch
Customer Part Reviews ?
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Awesome!!
The switch worked perfectly and it was easy ordering from this company. We will order from here again.
Guest -
November 18, 2020
Verified Purchase
great replacement switch, back to working again
was just what I needed and arrived quickly.
Douglas -
April 6, 2020
Verified Purchase
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t days ago
Verified Purchase
eReplacementParts Team
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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.
Switch was bad
Michael - November 19, 2020
Tool Type
Grinder
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, torque screwdriver
Parts Used
Removed old switch and replaced with new one.
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switch stopped working and grinder would not turn off (dangerous)
Douglas - April 9, 2020
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, wire strippers and crimpers
Parts Used
Removed cover, replaced switch and installed much needed brushes since it was apart. Reinstalled cover, works great again.
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Switch was stuck on
Luther - December 13, 2018
Tool Type
Grinder
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Milwaukee angle grinder, took switch cover off, replaces switch and reinstalled cover.
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Broken switch
Richard - April 28, 2016
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, wire strippers
Parts Used
Removed switch cover pull out old broken switch. Noted how it was wired. Then wired it as noted. Inserted the switch in the tool. Reinstalled cover and screws. Plugged into test. Works fine
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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.
