Makita 517766-0 — Genuine Makita Armature Assembly (115 V). Direct replacement armature/rotor for Makita SDS‑MAX 45 mm rotary hammers HR4511C
This is the complete 115 V armature assembly as supplied by Makita; the assembly is supplied with the internal bearing and related sleeves/washers (listed as included components in the Makita parts breakdown), so it installs in the motor housing without you having to source those small internals separately. It restores the rotor and commutator surfaces and is intended for the matched 115 V motor system in these models.
Part number and listing details are the Makita part reference (517766-0, ARMATURE ASS'Y 115V). If your tool is an HR4511C (SDS‑MAX, 45 mm) this original Makita armature is the correct replacement to return motor performance; it’s one of the essential power tool parts to get the hammer turning like new.
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