The Makita 651131-4 is a genuine OEM replacement power switch designed for the Makita HM1400 and HM1800 heavy-duty demolition hammers, restoring reliable on/off control to tools that have developed a failed or intermittent switch. Constructed with a durable thermoplastic body and metal contacts, this AC/DC switch is purpose-built to integrate cleanly into the handle assembly, controlling mains power to the motor. As a genuine Makita part, it delivers the correct fit and switching characteristics for the specified machines, without the compatibility uncertainties associated with aftermarket alternatives. This replacement is well suited to routine maintenance programmes or urgent field repairs, helping contractors and facilities teams reduce unplanned downtime on site. Its robust construction is designed to withstand the frequent start/stop cycles typical of demanding demolition and heavy drilling applications. Installation requires only basic hand tools, making it a straightforward repair for competent tradespeople. Features and Benefits: • Genuine Makita OEM part (MPN: 651131-4) for assured compatibility with HM1400 and HM1800 • Precise fit simplifies replacement and reduces installation time • Thermoplastic body with metal contacts for durability under heavy use • Restores reliable on/off control and supports safe tool operation • Suitable for frequent start/stop cycles in demanding demolition environments • Reduces unplanned downtime for contractors and facilities teams • Backed by Makita's OEM design and quality control standards

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