516171-8 supersedes older part numbers: 516170-0
Original Makita armature assembly — part no. 516171-8. This direct-fit rotor/commutator assembly is the motor’s rotating core for the Makita 8406C corded diamond core drill (110 V) and replaces a worn or burning armature to stop sparking, restore torque and smooth motor operation. The unit includes the commutator and driven shaft and is made to original Makita specifications for straightforward installation. If you need reliable parts for power tools to get a single tool back into service, this genuine Makita 516171-8 is a correct match for the 8406C drill.
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