The Makita 651572-4 is a genuine replacement switch (SL220SD-19) designed to restore reliable trigger control and electrical continuity to Makita cordless impact wrenches. Constructed with a hard-wearing polymer body and metal contact components, this switch is built to withstand the demands of regular site and workshop use. It directly addresses common faults including intermittent starts, loss of power, and failed switching — returning your tool to dependable operation without the need for a full replacement. Designed specifically for Makita cordless platforms, it is confirmed compatible with the BTW450 and DTW450RFE impact wrenches, fitting precisely into existing housings and connectors without modification. This makes installation straightforward for contractors and tradespeople carrying out routine tool maintenance. Whether you are a professional keeping a fleet of tools in service or a competent DIYer looking to extend the life of a quality impact wrench, this genuine Makita part offers the compatibility and build quality needed for a lasting repair. Features and Benefits: • Genuine Makita part 651572-4 — assured compatibility and consistent performance • Compatible with BTW450 and DTW450RFE impact wrenches for a precise, modification-free fit • Hard-wearing polymer body and metal contacts for long service life under frequent use • Restores smooth trigger response and consistent power delivery • Rectifies intermittent starts, power loss, and failed switching • Fits existing housings and connectors for straightforward installation • Reduces tool downtime and the need for repeat repairs • Suitable for both professional trade environments and home workshops
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