Makita 191940-4 (CB-411) — Genuine Makita carbon brush set (Pair) designed to restore reliable electrical contact in commutator motors. These original Makita carbon brushes come as a matched pair and are a small but critical power tool parts item that helps stop intermittent running and excess sparking.
Specifics: carbon brush designation CB‑411 (Makita part 191940‑4); carbon block nominal size ~6 × 9 × 11.5–12 mm (length varies by source/manufacturing tolerance); supplied as a pair for motor brushes.
Examples of compatible Makita models (representative, not exhaustive): angle grinders and rotary tools in the 9520/9521/9522/9523/9524/9526/9527/9528 series, some 9527PB/9528PB variants, plus other tools listed in Makita parts diagrams such as TD0101F, DS4010, the 6830 series, MT191 and related small motor models. If your tool uses CB‑411 brushes, this original Makita set will drop in as the correct replacement.
Quick use note: fitted as a direct replacement — simple to install in most Makita tools that use CB‑411 brushes; replacing worn brushes usually restores normal motor performance.
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