Part Location Diagram of 34-40-1885 Milwaukee O-ring
See part A-2 in the diagram
Replacing your Milwaukee Impact Driver O-ring
( Grid squares measure 1x1 inch )

O-ring 34-40-1885

Manufactured by:
Milwaukee
ERP Number:
ERP11877651
Part Number:
34-40-1885
Original Equipment Manufacturer ?
  Works with your model  2451-059!
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

Easy 

Less than 15 mins 

(10 rated repairs) ?
  Works with your model   2451-059!

Product Description

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This is an authentic manufacturer sourced replacement part designed for use with Milwaukee impact wrenches. It helps to provide an air tight seal for the gearbox. It is made out of rubber material and it is sold individually. To complete this repair you will need a screwdriver.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Impact Driver

Videos For installing this part.

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Replacing your O-ring

Customer Part Reviews

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Average Rating (out of 5):
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Questions & Answers

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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 

Less than 15 mins 

(10 rated repairs) ?
  • 1
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Socket wouldn\'t stay on Impact Wrench.

Allen from Wilson, North Carolina

16 of 16 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
44-90-1050, 34-40-1885
Friction ring and o\'ring were missing from square drive.
1. Install o\'ring in groove on square drive.
2. Install friction ring over o\'ring in groove on square drive.
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Friction ring broke.

Arnold from Spillville, Iowa

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
44-90-1050, 34-40-1885
Just installed the new rings. Works like new now!
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Replace friction ring and o-ring

Eric from Colorado Springs, Colorado

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
44-90-1050, 34-40-1885
Clean anvil groove.

Slip o-ring over anvil and into anvil groove.

Slip friction ring on anvil. Start with one side of friction ring in anvil groove and use your fingers to walk the ring into the anvil groove.

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Sockets would not stay on impact wrench

Carl from Troy , Ohio

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
44-90-1050, 34-40-1885
Removed snap friction ring, pulled o-ring off, put on new o-ring. To put the friction ring back on itÆs easiest to grab a bunch of rags, then with the friction ring at the tip of the wrench push downward into the rags to snap friction ring on.
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The rubber hand grip had worn completly off from fuel and use

Darrell from TRENTON, Georgia

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
remover all the screws pulled off one half while leaving everything else laying on table in the other half. set the new half on top of the other half and flip over holding together. carefully pulled the other old half off. installed the second new half watching wire and other loose parts. Becarefull everything goes in the right spot. inst all screws and test.
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Socket would not stay on tool.

Jay from BLAINE, Washington

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
44-90-1050, 34-40-1885
Removed old clip and oring , put new oring on the placed clip on the end of anvil and pushed down on a hard surefaced.
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Friction ring loose

Jose from Cayey, Puerto Rico

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers
Parts Used:
44-90-1050, 34-40-1885
Installed the o-ring and the friction ring on the end of the anvil.
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lod Orrington and friction ring fell off

Daniel from Herriman, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
44-90-1050, 34-40-1885
I just put on the new o-ring on then snapped on the friction ring.
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Impact driver was missing the o ring and the snap ring was bent

Jeff from Draper, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
44-90-1050, 34-40-1885
Very simple repair. Installed o ring and then pushed snap ring on.
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Replacing O ring and Friction Ring

Joel from Alamogordo, New Mexico

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers
Parts Used:
44-90-1050, 34-40-1885
Easy repair with the O ring, just slip it right on the anvil. Then the Friction Ring had to open just a little to slip it over the end of the anvil.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP11877651
Manufacturer Part Number: 34-40-1885
Brand Model Number Description
Milwaukee 2451-059 Impact Driver - Impact Driver
Milwaukee 2451-20 Impact Driver - Impact Driver
Milwaukee 2451-22 Impact Driver - Impact Driver
Milwaukee 2454-059 Impact Driver - Impact Driver
Milwaukee 2454-20 Impact Driver - M12 Brushless 3/8" Square Impact Driver
Milwaukee 2454-22 Impact Driver - M12 Brushless 3/8" Square Impact Driver
Milwaukee 245420 Impact Driver - M12 Brushless 3/8" Square Impact Driver
Milwaukee 2461-22 Impact Driver - Impact Driver
Milwaukee 2463-059 Impact Driver - Impact Driver
Milwaukee 2463-20 Impact Driver - M12 3/8" Square Impact Wrench
Milwaukee 2463-22 Impact Driver - M12 3/8" Square Impact Wrench
Milwaukee 2554-20 Impact Driver - Impact Driver
Milwaukee 2564-20 Impact Driver - Impact Driver
Milwaukee 2651-059 Impact Driver - Impact Driver
Milwaukee 2651-20 Impact Driver - Impact Driver
Milwaukee 2651-22 Impact Driver - Impact Driver
Milwaukee 2654-059 Impact Driver - Impact Driver
Milwaukee 2654-20 Impact Driver - M18 Fuel 3/8" Square Impact Wrench
Milwaukee 2654-22 Impact Driver - M18 Fuel 3/8" Square Impact Wrench
Milwaukee 2654-22CT Impact Driver - M18 Fuel 3/8" Square Impact Wrench
Milwaukee 2658-059 Impact Driver - Impact Driver
Milwaukee 2658-20 Impact Driver - M18 3/8" Square Impact Wrench
Milwaukee 2658-22 Impact Driver - M18 3/8" Square Impact Wrench
Milwaukee 2658-22CT Impact Driver - M18 3/8" Square Impact Wrench
Milwaukee 2668-20 Impact Driver - Impact Driver
Milwaukee 2668-21CT Impact Driver - Impact Driver
Milwaukee 2668-22 Impact Driver - Impact Driver
Milwaukee 2754-20 Impact Driver - Impact Driver
Milwaukee 2754-22 Impact Driver - Impact Driver
Milwaukee 2754-22CT Impact Driver - Impact Driver