Description
Overview:
This is a Genuine Makita switch (MPN 650621-4) designed to restore reliable on/off control in selected Makita corded power tools. Built with a robust polymer housing and metal terminals, it is made for repeat use in dusty, high-vibration environments typical of grinding and cutting work. The switch provides precise electrical control to help maintain safe start/stop operation and tool performance. It is a direct-fit OEM replacement for specific Makita angle grinders and other machines, including the GA4534 and GA5034, with no modification required when used on the listed models. Ideal for replacing a worn, intermittent or damaged switch, it helps return the tool to dependable service for both site work and workshop tasks.
Key Features:
- Genuine Makita OEM part for assured fit and compatibility (650621-4)
- Durable construction suited to regular site and workshop use
- Direct replacement with correct connector layout for listed models
- Consistent switching action to support safe tool operation
- Helps resolve intermittent power, no-start, or cut-out faults linked to a failed switch
- Easy to install with standard hand tools, reducing downtime
- Made to Makita specifications for reliability and long service life
- Suitable for preventative maintenance and refurbishments of fleet tools
- Backed by Makita's parts ecosystem for ongoing support
Typical Applications:
Replacing a faulty or worn switch on compatible Makita angle grinders, metal shears, and a plate joiner to restore dependable on/off control. Common in grinder servicing after heavy abrasive use, refurbishment of workshop tools, and maintaining site equipment to reduce unexpected stoppages and improve safety.
Also known as:
On/off switch, trigger switch, power switch, replacement power tool switch, grinder on/off control, electrical tool switch.
Fits Models:
9553NB, 9554NB, GA4034, GA4534, GA5034, JS1601, JS1602, PJ7000
Alternate Part Numbers:
6506214