Part Location Diagram of 23-66-2639 Milwaukee Switch/Diode Assembly
See part A-89 in the diagram
( Grid squares measure 1x1 inch )

Switch/Diode Assembly 23-66-2639

Manufactured by:
Milwaukee
ERP Number:
ERP10123798
Part Number:
23-66-2639
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(2 rated repairs) ?

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Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Saw
  • Circular Saw

Customer Part Reviews

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Questions & Answers

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Is this the correct trigger for the saw model 2731-20 m18 circular saw
Bob For model number 2731-20 - January 14, 2023

Hello Bob, Thank you for your inquiry. We have researched the model you have provided and do not show this part as compatible. The compatible part number is 23-66-2639. We hope this helps.

eReplacementParts Team
January 14, 2023

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Power cuts in and out. What part do I need
Kevin For model number 2731-20 - December 2, 2023

Hello Kevin, Thank you for your inquiry. We would recommend checking the switch with diode, part# 23-66-2639. We hope this helps.

eReplacementParts Team
December 2, 2023

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I am looking for a trigger and diode for this and don't see the model number. Would the 2731-21 parts work on this saw ?
Shawn For model number 2731-20 - February 3, 2022

Hello Shawn, thank you for your question. Based on our research on your model, the Diode and trigger Switch Kit is part 23-66-2639. We hope this helps.

eReplacementParts Team
February 3, 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.

Easy 

15 - 30 mins 

(2 rated repairs) ?
  • 1
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Took multiple trigger pulls to get the saw to start.

Jack from New Braunfels, Texas

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Screw drivers
Parts Used:
23-66-2639
Cleaned the M18 7 1/4GÇ¥ circular saw with compressed air to get the saw dust and debris out of the housing screw heads, removed the battery, removed the belt clip, removed the left side of the handle motor cover to expose the safety switch and trigger switch, took pictures of wiring on trigger switch and wire routing, replaced the trigge r switch and diode, reassembled and tested, works as new.
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Saw would not run. Switch bad

Ray from Buchanan Dam, Texas

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
23-66-2639
Replaced switch and diode assembly.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10123798
Manufacturer Part Number: 23-66-2639
Brand Model Number Description
Milwaukee 2731-059 Saw - Milwaukee 2731-059-(G20a) Parts
Milwaukee 2731-20 Saw - Milwaukee 2731-20-(F95a) Parts
Milwaukee 2731-21 Circular Saw - Cordless M18 Fuel 7-1/4" Circular Saw
Milwaukee 2731-22 Circular Saw - Cordless M18 Fuel 7-1/4" Circular Saw