Easy
15-30 minutes
This is a genuine manufacturer-sourced replacement o-ring which is specially designed for use with Milwaukee angle grinders. It is utilized to provide an air-tight seal between connected pieces, make sure to check appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality item is made of durable rubber material and is sold individually.
O-ring 34-40-0450
OEM part for: Milwaukee
Part Number: 34-40-0450
$4.99
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 19 machines
Milwaukee
6140-33 (SER B70A) 4.5" Angle Grinder with Slide Switch View Diagrams & Manuals
6140-30 (SER B69A) 4.5" Angle Grinder with Paddle Switch w/Lock-Off View Diagrams & Manuals
6148-30 (SER B71A) 4.5" Angle Grinder View Diagrams & Manuals
2680-20 (SER B96A) Cordless 18 Volt 4-1/2" Cut-Off/Grinder View Diagrams & Manuals
2680-22 (SER B96A) Cordless 18 Volt 4-1/2" Cut-Off/Grinder View Diagrams & Manuals
6122-31 (SER B66A) 4.5" Rat-Tail Angle Grinder View Diagrams & Manuals
6148-31 (SER B72A) 4.5" Angle Grinder With Paddle Switch View Diagrams & Manuals
6148-33 (SER B73A) 4.5" Angle Grinder With Slide Switch View Diagrams & Manuals
6116-30 (SER B62A) 4.5" Angle Grinder With Paddle Switch W/Lock-Off View Diagrams & Manuals
6116-31 (SER B63A) 4.5" Angle Grinder With Paddle Switch View Diagrams & Manuals
6116-33 (SER B64A) 5" Angle Grinder With Slide Switch View Diagrams & Manuals
6160-33 (SER B76A) 6" Angle Grinder With Slide Switch View Diagrams & Manuals
6160-30 (SER B74A) 6" Angle Grinder With Paddle Switch W/Lock-Off View Diagrams & Manuals
6160-31 (SER B75A) 6" Angle Grinder With Paddle Switch View Diagrams & Manuals
6123-30 (SER B67A) 6" Rat-Tail Angle Grinder With Lock View Diagrams & Manuals
6123-31 (SER B68A) 6" Rat-Tail Angle Grinder View Diagrams & Manuals
6122-30 (B65A) Grinder View Diagrams & Manuals
6148-30 (B71B) 4.5" Angle Grinder View Diagrams & Manuals
6148-30 (B71C) 4.5" Angle Grinder View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Grinder Parts
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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.
Pin broken, unable to lock tool to change discs.
Tim - August 5, 2018
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Removed screws holding housing together and re-assembled with new parts. VERY basic and straightforward.
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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.
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