Description
Overview:
The Switch Assembly for Milwaukee M12FRAIWF12 Impact Wrench (part number 4931473243) is a genuine Milwaukee replacement designed to restore accurate trigger and power control on selected M12 tools. Built from durable materials suited to workshop and site use, the assembly provides reliable electrical switching and smooth trigger response to keep your impact wrench operating safely and consistently. It is specifically compatible with the M12FRAIWF12 and M12FRAIWF38 right‑angle impact wrenches, covering both 1/2 in (12.7 mm) and 3/8 in (9.5 mm) variants in the M12 12 V platform. This genuine component matches the original specification for fit and performance, making it a dependable choice when repairing faults such as intermittent power, no start, or poor speed control.
Key Features:
- Genuine Milwaukee part for assured fit, function and safety
- Direct replacement for OEM reference MIL4931473243
- Restores consistent trigger feel and reliable power control
- Built with robust materials for long service life under regular use
- Engineered for the M12 platform, maintaining tool performance on 12 V systems
- Designed for straightforward installation by competent users to minimise downtime
- Suitable for workshop, on-site, and fleet maintenance environments
- Helps prevent further wear caused by poor electrical contacts
Typical Applications:
Used to replace a faulty trigger/switch in Milwaukee M12 right‑angle impact wrenches, resolving issues like intermittent operation, no power, or inconsistent speed control. Ideal for trades, maintenance teams and DIY users keeping tools in service for fastening tasks in construction, engineering, plant, and garden machinery work.
Also known as:
Milwaukee trigger switch, trigger assembly, power switch, switch kit, M12 impact wrench switch, replacement trigger unit.
Fits Models:
M12FRAIWF12, M12FRAIWF38
Alternate Part Numbers:
4931473243
Product Specifications
| L&S Part No. | MIL4931473243 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Milwaukee |
| OEM No. | 4931473243 |
| Unit of Sale | 1 |
| Machine Type | Impact Wrench |
| Fits Brands | Milwaukee |
| Fits Models | M12FRAIWF12 | M12FRAIWF38 |
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