Original Makita 643929-3 — Brush Holder Cap
Restore reliable brush contact with this genuine Makita brush holder cap (part no. 643929-3). Designed to secure the carbon brush in the brush holder, it’s a threaded plastic cap with a straight slot for a flat-head screwdriver for simple removal and installation.
This cap is used (typically two per motor) on a number of Makita drills, blowers and similar tools BUB360 , 6339D, 6349D and 8444D — check your tool’s parts list for exact placement.
Each cap is sold individually and fits the original Makita brush holder assembly; replacing a cracked or missing cap is a quick way to fix brush retention and restore dependable motor performance. This genuine Makita part is a small but essential power tool parts component that prevents brush loss and arcing during use.
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