Original Makita carbon brush set CB‑258 (part no. 191D84‑4) — a genuine Makita replacement brush kit designed to restore proper motor contact and reduce sparking in brushed angle grinders.
The set is supplied as one brush set (two carbon brushes with their spring/lead assembly) ready to install into the brush holders of the motor.
Typical fitment is for Makita 115 mm and 125 mm angle grinders — for example GA4550 and the GA4552R / GA4553R series, and many of the GA505x series (GA5050, GA5050R, GA5051R, GA5052, GA5052R, GA5053R) as shown in Makita parts diagrams.
Quick, straightforward swap: replacing the worn brushes with this original Makita brush set will often cure heavy sparking, intermittent power loss, or rough motor performance. This genuine Makita parts item (CB‑258 / 191D84‑4) is exactly what you need to get the grinder running like new again.
Jump straight to the Makita spare parts diagrams:
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