The makita genuine 191628-6 carbon brush cb65 is an oem replacement carbon brush designed to restore performance in compatible makita power tools. Carbon brushes are a critical wear component in brushed electric motors, transferring electrical current to the rotating armature. When these wear down, tools can lose power, cut out intermittently, or stop working altogether. Fitting a genuine makita replacement ensures the correct dimensions, material grade, and spring tension are maintained. Using a genuine makita part rather than an aftermarket alternative is particularly important for maintaining tool performance and longevity. Oem carbon brushes are manufactured to the exact tolerances required for the specific motor design, helping to protect the armature from premature wear. This brush is suited to tradespeople carrying out routine maintenance on their makita power tools, keeping equipment running reliably on site. Always check your tool's documentation or the existing brush to confirm the cb65 is the correct replacement before fitting. Features and benefits: genuine makita oem part for assured fit and compatibility correct material grade and dimensions to protect motor armature suitable for routine maintenance to restore tool performance part number 191628-6 for accurate identification when ordering