632K64-8 supersedes older part numbers: 638991-1
Genuine Makita brush-holder assembly — part no. 632K64-8. This is the original Makita replacement brush holder used to locate and support the motor’s carbon brushes, springs and the conductive terminals so the brushes maintain steady contact with the commutator for reliable motor performance.
Key details
- Description: Brush holder assembly manufactured to Makita’s original specification; designed to replace a worn or damaged brush holder and restore correct brush alignment and terminal connections.
- Construction: molded, heat‑resistant polymer body with fitted conductive terminals/spring seats matching the original layout for easy refit.
- What it accepts: designed to house the carbon brushes used in these combi drill motors (brush sizes about 3 × 10 × 13.5 mm).
- Position on parts diagram: shown in Makita parts diagrams for the DHP458 listed as the brush-holder .
Fits (example models)
- Common fitments reported by Makita parts listings and spare‑parts suppliers include: DDF458 / DDF458RFE / DDF458RFE3, DDF448, DHP45, DHP448, DHP458 (and closely related BDF/BHP variants such as BDF458, BHP458). Confirmed in multiple Makita parts lists.
Other part references
- Alternate / cross reference numbers seen in parts listings: 638991‑1
Notes for repair
- This item is the brush‑holder assembly only (replace it when the holder is cracked, burned or the terminals/spring seats are loose). Installation is a direct swap in the listed models and restores correct brush seating and electrical connection.
If your tool is one of the models above and it’s showing arcing, intermittent power or motor performance loss, this original Makita 632K64-8 brush holder is the part that replaces the worn brush carrier to get the motor running correctly again.
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