Product Description
**Milwaukee parts change not only by model# but also by serial number. To look up your tools parts break down on Milwaukees website please click here: Enter Cat# and Select Service Parts. Also match Serial Number.
Milwaukee O-Ring Seal
Model Number: 34-40-8010
The Milwaukee 34-40-8010 is a genuine OEM O-Ring Seal used across compatible Milwaukee tools. O-rings are precision elastomeric seals that sit in a machined groove at the interface between two mating components — compressing against both surfaces when assembled to create an airtight or fluid-tight seal. They are commonly used in tool assemblies to prevent air, oil, or lubricant from leaking past housing joints, shaft bores, and internal component interfaces during operation. A deteriorated, torn, flattened, or missing O-ring seal allows leakage past the sealed interface, which can result in loss of pressure, lubricant loss, or contamination of internal components — requiring replacement to restore proper sealing and tool performance.
Using a genuine Milwaukee OEM O-ring seal ensures the correct inner diameter, cross-section thickness, and elastomer material durometer for the sealing groove it occupies. Non-OEM O-rings may not match the original dimensional specification or provide the correct compression fit in the groove, leading to insufficient sealing force or premature seal failure under operating conditions. Always verify your catalog number and serial number on Milwaukee's website before ordering to confirm this is the correct O-ring seal for your specific unit.
Features
- Genuine Milwaukee OEM O-ring seal for compatible Milwaukee tools
- Creates an airtight or fluid-tight seal at the interface between mating components
- Prevents air, oil, or lubricant leakage past housing joints and component interfaces
- Correct inner diameter, cross-section, and elastomer durometer for the sealing groove
- Verify catalog number and serial number on Milwaukee's website before ordering
Includes
- (1) Milwaukee 34-40-8010 O-Ring Seal
