DeWalt 5140058-09 Power Switch – Genuine OEM Replacement Wet/Dry Vacuum On/Off Switch
Part Number: 5140058-09
Category: Vacuum Parts → Wet/Dry Vacuum Electrical Components → Power Switches
Type: DeWalt 5140058-09 Power Switch – Genuine OEM Replacement Wet/Dry Vacuum On/Off Switch
The DeWalt 5140058-09 Power Switch is a genuine OEM replacement on/off switch designed for compatible DeWalt cordless and AC/DC wet/dry vacuums. This electrical rocker switch controls the flow of power to the vacuum motor, allowing the unit to be turned on and off safely and reliably. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, damaged, or malfunctioning switches, restoring dependable vacuum operation.
Key Features & Benefits
- Part Number: 5140058-09
- Genuine OEM DeWalt replacement part
- Replacement on/off power switch for compatible wet/dry vacuums
- Controls electrical power to the vacuum motor
- Durable molded plastic housing with electrical terminals
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
- Sold individually
Technical Specifications
Part Number: 5140058-09
Manufacturer: DeWalt
Product Type: Power Switch
Switch Style: Rocker On/Off Switch
Material: High-impact plastic housing with metal electrical terminals
Application: Wet/Dry Vacuum Electrical Control
OEM Part: Yes
Quantity: Sold Individually
Compatible Applications
The DeWalt 5140058-09 Power Switch fits compatible DeWalt wet/dry vacuums, including:
DeWalt
- DC500
- DC500K
- DCV580
- DCV580H
- DCV580HAM
- DCV580HR
- DCV580R
- DCV581H
- DCV581HAM
It is also used on the:
- DC020 – 18V Portable Fluorescent Worklight (select models)
Always verify your model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Power Switch
The 5140058-09 Power Switch is designed to:
- Control electrical power to the vacuum motor
- Turn the vacuum on and off safely
- Complete or interrupt the electrical circuit
- Restore dependable starting and shutdown operation
- Maintain the factory electrical control system
- Support reliable everyday vacuum operation
Using a genuine OEM replacement switch helps ensure dependable electrical performance and proper fit within the vacuum housing.
Common Signs Replacement Is Needed
Replace the power switch if you notice:
- Vacuum will not turn on
- Intermittent power during operation
- Switch sticks or feels loose
- Burnt or damaged switch housing
- Visible electrical arcing or overheating
- Switch no longer clicks securely into position
A faulty power switch can prevent the vacuum from operating or cause intermittent electrical performance.
Installation & Service Notes
Remove the battery and unplug the vacuum from AC power before performing any service.
Disassemble the vacuum housing according to the manufacturer's service instructions to access the switch compartment. Carefully disconnect the wire terminals from the old 5140058-09 Power Switch, noting their original positions before removal. Install the new switch by reconnecting each wire to the corresponding terminal, then snap or press the switch securely into the housing. Reassemble the vacuum, reinstall the battery or connect power, and verify proper on/off operation before returning the unit to service. Typical installation requires basic hand tools and can generally be completed in less than 15 minutes.
Important: Always verify your vacuum model and original part number before ordering. Inspect the wiring harness and terminals for heat damage whenever replacing the power switch.
Maintenance Recommendations
- Keep the switch area clean and free of dust and debris.
- Avoid forcing the rocker switch during operation.
- Inspect wiring connections periodically for looseness or corrosion.
- Replace damaged switches promptly to prevent further electrical issues.
- Disconnect power before servicing any electrical components.
- Use genuine OEM replacement parts to maintain factory fit, reliable electrical operation, and long-term wet/dry vacuum performance.
