Description
Overview:
This Switch Unit is a genuine Makita replacement part for selected power tools, built to restore reliable switching and control. Manufactured with a robust moulded housing and metal contacts, it replaces worn or faulty switches to keep your machine operating as intended. It is engineered for a precise fit on the Makita GN900SE gas nailer and compatible backpack blowers such as the EB7650TH and EB7660TH, helping maintain safe, consistent on/off or trigger operation. Supplied as an OEM Switch Unit under part number 638642-6, it supports dependable performance in demanding site and outdoor conditions. Ideal for routine maintenance or repair when symptoms like intermittent power, no start/stop response, or unreliable trigger behaviour appear.
Key Features:
- Genuine Makita part for assured fit and function (OEM 638642-6)
- Durable construction with sturdy housing and metal contacts for long service life
- Restores consistent on/off or trigger response to the tool
- Designed specifically for Makita GN900SE nailer and selected blowers for straightforward replacement
- Helps prevent downtime caused by intermittent or failed switching
- Suitable for tough jobsite and outdoor environments
- Supports correct safety operation by reinstating reliable stop/start control
- No modifications required when fitted to the specified models
Typical Applications:
Used to replace a failed or erratic switch on compatible Makita tools. Common in first-fix carpentry and framing with the GN900SE, and in grounds maintenance or landscaping with EB7650TH/EB7660TH blowers. Ideal when tools will not power, fail to stop, or show unstable trigger action, restoring normal operation and reducing disruption on site or in routine maintenance tasks.
Also known as:
Switch assembly, on/off switch, stop switch, kill switch (blower), trigger switch (nailer), control switch, replacement switch unit, OEM switch 638642-6.
Fits Models:
GN900SE
EB7650TH
EB7660TH
Product Specifications
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