The Makita 650653-1 Switch TG553FSB-4 is a genuine OEM replacement switch designed specifically for the Makita DHP451ZJ and BHP451 hammer driver drills, restoring full operational control to your tool. When a faulty trigger switch causes intermittent power, failure to start, or erratic speed control, fitting a like-for-like genuine Makita component is the most reliable fix. As an authentic Makita spare part, this switch is manufactured to the same tolerances and specifications as the original, ensuring seamless compatibility and consistent performance once installed. For contractors and tradespeople who depend on their DHP451ZJ on site, keeping downtime to a minimum is critical. Replacing a worn or damaged switch with this genuine part extends the working life of the tool and avoids the cost of a full replacement drill. Features and Benefits: • Genuine Makita spare part — guaranteed fit and compatibility with DHP451ZJ and BHP451 models • Direct OEM replacement for part number 650653-1 and switch reference TG553FSB-4 • Restores accurate power and speed control to the drill • Manufactured to original Makita tolerances for reliable, long-term performance • Reduces tool downtime with a straightforward like-for-like swap