Original Makita 638396-5 — Yoke unit (motor / permanent-magnet assembly) designed to replace the motor yoke in a range of Makita impact drivers and wrenches.
This genuine Makita unit houses the permanent magnets and interfaces with the armature and brush-holder assembly to restore proper motor torque and engagement; it's listed as part 638396-5 in Makita parts diagrams.
Example models it fits include DTD134 and DTD146 impact drivers, BTD130F / BTW103 / DTD152 / BDT140 and DTD156 - check the parts diagram for your exact model to confirm fit.
Compact and designed for direct installation into the original motor housing using the existing brush holder and mounting points, this original Makita yoke unit is an essential item among parts for power tools when restoring motor function.
Makita parts like this make a quick, reliable repair option to get your tool back to original performance without replacing the entire motor assembly.
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