Milwaukee 42-42-0021 Switch Button Assembly

Product Description

The MILWAUKEE 42-42-0021 is a replacement switch button assembly designed for use in Milwaukee power tools. This component serves as the primary user-actuated switching mechanism, allowing the operator to engage or disengage tool power. The assembly integrates the physical button with the underlying switch contacts or carrier, making it a direct replacement for a worn, damaged, or non-functioning original part. Installation is typically performed by a power tool repair technician or a qualified electrician during bench servicing of the host tool.

This switch button assembly is intended for service and repair applications on compatible Milwaukee power tools. It is a factory-replacement-style component suited for shop repair environments, warranty depots, and field service operations where restoring original tool function is the goal. Specific tool model compatibility should be confirmed using the Milwaukee parts lookup system or service documentation prior to ordering.

Key Features

• Direct OEM-style replacement for the original switch button assembly
• Restores proper power-on and power-off function to the host tool
• Designed to fit the original mounting location without modification
• Suitable for bench-level power tool service and repair

Compatibility

Designed as an OEM-style replacement switch button assembly for compatible Milwaukee power tools. Confirm fitment against Milwaukee service documentation or parts diagrams before installation.

Installation Notes

Installation should be performed by a qualified power tool technician or licensed electrician. Always disconnect the tool from its power source and remove the battery pack if applicable before beginning disassembly. Follow the Milwaukee service manual for the specific host tool to ensure correct fitment and reassembly sequence. Improper switch installation can create shock or fire hazards and should not be attempted without proper training.

Technical Specifications

• Component Type: Switch Button Assembly

Standard Information

• Brand: MILWAUKEE
• Manufacturer Part Number: 42-42-0021