- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
O-ring 34-40-1870
- Manufactured by:
- Milwaukee
- ERP Number:
- ERP10126953
- Part Number:
- 34-40-1870
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Product Description
?This is an authentic manufacturer-sourced replacement component that is specially designed for use with Milwaukee sanders. It helps to provide an air-tight seal between connected parts, please make sure to refer to refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable rubber and is sold individually.
Frequently Purchased Together
?Troubleshooting
- Milwaukee
- Orbital or Palm Sander
- Sander Polisher
Customer Part Reviews
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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.
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My random orbital sander was running full bore, no randomizing.
Cody from Lakeland, Florida
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
- Parts Used:
- 44-52-0965, 34-40-1870, 02-04-5160
Vibration, pad not holding paper
Anthony from Pacifica, California
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 44-52-0965, 42-16-0570, 40-50-1110, 34-40-1870, 22-84-0980
Orbital Sander brake was not working
James from MADISON, Mississippi
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 44-52-0965, 42-16-0570, 34-40-1870
Dust collector ate the bag from my portable sander!
Robert from Northwood, New Hampshire
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 42-16-0570, 40-50-1110, 34-40-1870, 31-58-0690
Then put the spring in the dust bag
Attach the dust bag to the bag locking ring
Then attach it to the dust chute
My dust bag from sander went thru dust collector and rip it threads.
bernard from madison, Wisconsin
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 42-16-0570, 40-50-1110, 34-40-1870, 31-58-0690
missing dust collector
William from GREEN BAY, Wisconsin
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Parts Used:
- 42-16-0570, 40-50-1110, 34-40-1870, 31-58-0690
Locking bag ring and dust chute were worn and wouldn\'t stay on.
William from Rochester, New York
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers
- Parts Used:
- 42-16-0570, 34-40-1870, 31-58-0690, 31-15-1525
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Model Cross Reference
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.