This Milwaukee switch – model 23-66-1692 – is a genuine replacement part for the Milwaukee 5378-20 hammer drill.

If your drill won't start, runs intermittently, or the trigger feels funky, this switch is probably what you need.
It's brand new in original packaging, black in color, and made specifically for Milwaukee tools.

MPN is 23-66-1692, also listed as 23661692.

Just a heads-up – there's no manufacturer warranty, but it's a genuine OEM part so quality is solid.

This is the switch that controls power to the motor, and it's a straightforward swap if you're comfortable opening up your tool.

Perfect for repairing instead of replacing an expensive drill.

Keep your Milwaukee running like new with this direct fit part.
One switch per pack.
Simple and effective.
