650722-8 supersedes older part numbers: 650241-4

Genuine Makita Trigger / Power Switch Assembly — Part No. 650722-8

Restore precise start/stop and variable-speed control to your 18V Makita impact driver with this original Makita trigger switch assembly (650722-8). It’s a direct-fit replacement for Makita BTD134 / BTD146 and DTD134 / DTD146 series impact drivers and resolves common faults like no-start, intermittent cut-out, or erratic trigger sensitivity.

Built with a tough polymer housing and durable metal contact elements for long service life, the assembly seats into the original handle cavity and uses the standard wiring layout so installation is straightforward for service techs or experienced DIYers. Rated for use in Makita’s 18V impact drivers.

Key details:

- Part number: 650722-8 (also listed as 6507228).

- Fits: Makita BTD134, BTD146, DTD134, DTD146 and related variants.

- Function: Trigger / power switch assembly — restores reliable trigger response and motor control.

If your impact driver has intermittent starts or an unresponsive trigger, this original Makita replacement switch returns the tool to dependable operation.