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Small black rectangular push-button switch with four terminals

Superior Electric

Superior Electric L39 Push Button Switch

SKU CH-46Z3-6ZT6Y

Aftermarket push-button switch with four terminals replaces Makita 651947-7 and Bosch 1607200146

  • Direct Makita 651947-7 replacement restores tool function
  • Compatible with Bosch 1607200146 expands repair options
  • Four-terminal push-button design enables straightforward installation
  • Compact form factor fits tight tool housings
  • Genuine aftermarket part delivers reliable on/off and variable-speed control

Direct Replacement Switch

The Superior Electric L39 push button switch replaces Makita part 651947-7 and Bosch 1607200146. It handles on/off and variable speed functions for compatible power tools. The four-terminal design manages electrical polarity for electric braking. This new aftermarket part is sold individually.

Upgrade Worn Components

Replace the original switch when mechanical internals degrade and cause intermittent operation or loss of variable speed control. The jump is worth it when the tool fails to start, runs at a single speed, or the braking function becomes unreliable. A fresh switch restores the full range of speed and safety features.

Simple Terminal Swap

The compact design fits the existing housing for straightforward installation. Transfer the four wire connections to the matching terminals on the new switch. The most common error is misplacing a lead, which reverses polarity and disables the braking function. Verify each connection against the tool's wiring diagram before reassembly.

How it compares

Measured against everything we stock in Air & Hydraulic Power Tools, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 93% of the 243 comparable items (median $61.99).

Specifications

Product
Brand nameSUPERIOR ELECTRIC

Questions about this item

Will this L39 switch fit the same mounting holes as my Makita 651947-7?

Yes, it is an aftermarket replacement for Makita 651947-7 and Bosch 1607200146, designed to match the original switch footprint.

How do I wire the four terminals correctly?

The switch has four terminals; note the original wire positions before removal and connect each lead to the matching terminal on the new unit.

How often should I expect to replace a push-button switch like this?

Mechanical internals degrade with use; replace when the tool fails to start, loses variable speed, or the electric braking becomes unreliable.

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