Medium
15-30 minutes
It is made of plastic and metal and is priced individually. A screwdriver and a set of pliers may be required to replace this part if it becomes broken. The switch goes in the rear handle assembly. This part is an OEM sourced directly from the manufacturer for use in Milwaukee hammer drills.
Switch 23-66-5380
OEM part for: Milwaukee
Part Number: 23-66-5380
$38.59
In Stock
Order within the next 10 hours and your part ships today! 
Compatibility
This part will fit the following 3 machines
Milwaukee
5376-20 (D20A) 1/2" Single Speed Hammer-Drill View Diagrams & Manuals
5380-21 (B01B) 1/2" Hammer Drill View Diagrams & Manuals
5380-21 (B01C) 1/2" Hammer Drill View Diagrams & Manuals
This item works with the following types of products:
- Drill Parts
- Hammer Drill Parts
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
2
4 stars
0
3 stars
0
2 stars
0
1 stars
0
< PREV
- 1
hammer drill switch
I had the part quick and it was easy to install.
Guest -
July 9, 2020
Verified Purchase
Great Service
Correct part received promptly at a fair price. Can't ask for more
Guest -
November 4, 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 Switch
Is this trigger switch variable speed?
Andrew
for model number 5380-21 (B01D)
asked on 2023-02-28
Hello Andrew, Thank you for your inquiry. We show that this switch is a variable speed switch. We hope this helps you.
eReplacementParts Team February 28, 2023
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.
Hammer drill trigger switch failed
Ken - July 13, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Hammer Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen key
Parts Used
Opened the drill case (7 screws)
Drew a quick sketch of the wiring to the switch
Removed the wires from the old switch (all either push-on spade lugs or inserts with allen-key hold-downs)
Removed the old switch (which was identical)
Replaced all the wires in the same pattern
Re positioned the switch carefully in the opening
Replaced the drill's housing and screws
Tested. (worked first time.)
Drew a quick sketch of the wiring to the switch
Removed the wires from the old switch (all either push-on spade lugs or inserts with allen-key hold-downs)
Removed the old switch (which was identical)
Replaced all the wires in the same pattern
Re positioned the switch carefully in the opening
Replaced the drill's housing and screws
Tested. (worked first time.)
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Drill would not run correctly and then would not turn off completely when trigger released
Paul - April 7, 2020
Tool Type
Hammer Drill
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
1. Remove screws holding handle together
2. Removed old switch from handle housing with wires intact
3. Took pictures of old switch with wires intact
4. Carefully swapped wires from old switch to terminals on new switch, one wire at a time
5. Replaced new switch in drill handle
6. Screwed handle back together
2. Removed old switch from handle housing with wires intact
3. Took pictures of old switch with wires intact
4. Carefully swapped wires from old switch to terminals on new switch, one wire at a time
5. Replaced new switch in drill handle
6. Screwed handle back together
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Trigger froze
Donald - December 31, 2019
Tool Type
Hammer Drill
Difficulty
Expert
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Power Drill, Specialty bits
Parts Used
Took out trigger and installed new one
Did you find this story helpful?
Thanks for voting and helping fellow customers!
The main switch failed after 4-5 uses
Kevinn - April 18, 2018
Tool Type
Hammer Drill
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Separated the main handle by removing screws. Un-wired and removed main trigger switch.
Re-wired new switch and placed the switch and wires in their original position. Worked handle back in position and re-installed screws.
Be sure to take good pictures of wire positions before removing wires from faulty switch. This is critical for re-installing.
Re-wired new switch and placed the switch and wires in their original position. Worked handle back in position and re-installed screws.
Be sure to take good pictures of wire positions before removing wires from faulty switch. This is critical for re-installing.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Bad switch
Bryan - September 6, 2017
Tool Type
Hammer Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Power Drill
Parts Used
Removed the screws from the handle and separated them
Made a wiring diagram of where the wires were located
Removed the wires from the old switch
Hooked up the wires on the new switch
Replaced the handles
Made a wiring diagram of where the wires were located
Removed the wires from the old switch
Hooked up the wires on the new switch
Replaced the handles
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Bad switch
Jerry - July 13, 2017
Tool Type
Hammer Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Removed rear handle
Made a wiring diagram
Disconnected the wires from the old switch
Connected the wires to the new switch
Placed the switch in its spot
Installed the rear handle
Made a wiring diagram
Disconnected the wires from the old switch
Connected the wires to the new switch
Placed the switch in its spot
Installed the rear handle
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Drill would not run
Jodi - March 26, 2017
Tool Type
Hammer Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Power Drill, Circuit tester
Parts Used
1. Disassembled drill
2. Noted wire locations on switch
3. Removed old switch
4. Installed new switch
2. Noted wire locations on switch
3. Removed old switch
4. Installed new switch
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.
