Easy
Less than 15 minutes
This is a genuine Milwaukee reverse female coupling. It is specially designed for use with angled electric drills/drivers. It is used to connect the spindle and the reverse drive assembly together. This coupling is made out of metal and it is sold individually.
Replacing this coupling is a simple and quick task. You should only need a wrench.
• Remove the sleeve nut
• Remove the reversing drive assembly
• Replace old coupling with a new one
• Reassemble and test the unit
Reversible Female Coupling 42-90-0170
OEM part for: Milwaukee
Part Number: 42-90-0170
$11.25
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
Product Description ?
- Classification: Part
- Weight: 0.19 lbs.
- Shipping: Ships Worldwide
Compatibility
This part will fit the following 6 machines
Milwaukee
0234-1 (SER 532-1001) Electric Drill / Driver View Diagrams & Manuals
2870-1 Electric Drill / Driver View Diagrams & Manuals
0721-20 (SER A73A) Cordless V28 D-Handle Right-Angle Drill View Diagrams & Manuals
48-06-2871 Right Angle Drive Unit View Diagrams & Manuals
0721-21 (SER A73A) Cordless D-Handle Rad View Diagrams & Manuals
0721-20 Cordless D-Handle Drill View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Drill Parts
- Electric Drill Parts
- Cordless Drill Parts
- Radio Parts
This part replaces obsolete part #: 42-90-0090
Repair Videos ?
Watch the Repair Video for
Reversible Female Coupling
Customer Part Reviews ?
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Part fits like glove
Low price , fast delivery easy to navigate online purchase
A#1 business
Guest -
February 15, 2021
Verified Purchase
easy repair, great part
part was as advertised. Fast shipping
Max -
October 20, 2020
Verified Purchase
Easy procedure getting the part. Easy site to navigate thru to find what I need.
Perfect fit for my right angle drill that I've had for 20 years. So glad to have it running once again
Guest -
March 10, 2020
Verified Purchase
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Verified Purchase
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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.
Coupler between motor and drill chuck was broken
michael - March 22, 2016
👍 3 of 3 people found this instruction helpful
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Remove coupling sleeve, remove old coupler and replace with new part
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Coupling cracks under high load, most likely engineered to fail before other parts.
Michael - December 1, 2015
👍 1 of 1 people found this instruction helpful
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, wrench supplied with drill
Parts Used
1: Loosen attachment sleeve nut, and separate reversing drive assembly from attachment sleeve
2: Replace coupling
3: Reassemble
2: Replace coupling
3: Reassemble
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coupler had broken and shaft would no longer drive/rotate
William - January 6, 2019
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
removed sleeve replaced coupling and drill is now back in working order ., Thank you
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someone lost the coupling
randy - January 3, 2019
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
put coupling in place, tighten band.
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Coupling worn
Richard - July 28, 2017
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Unbolt right angle drill attachment and replace worn coupling
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Broken power coupler
Patrick - February 3, 2017
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Removed drill chuck, replaced coupler, reinstalled chuck.
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Drive socket cracked
Dave - September 19, 2016
Tool Type
Electric Drill
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
Removed cracked one, installed new one.
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The rev coupling broke .
Andre - July 10, 2016
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, The Milwaukee drill comes with the wrench
Parts Used
I took the right angle drill assembly apart by listening the bolts on the side , took the broken rev coupling out and replaced it with the new rev coupling that I ordered from ereplacementparts . Put the rightangle attachment on the drill and tightened the two bolts back into place . Took about 4 minutes all together ..
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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.
