Description
Overview:
This Brush Holder Comp is a genuine Makita replacement part for select cordless drill/driver models, supplied under OEM No. 638849-4. Built from tough moulded engineering plastic with copper contact tracks, it holds the motor's carbon brushes securely and routes current to the armature. Replacing a worn or heat-damaged holder helps restore consistent power delivery and smooth running, especially under load. Designed to suit the housing and motor layout of models such as the BHP451 and BDF451, it is suitable for workshop or site maintenance. Fitting is straightforward during a routine brush service, helping extend tool life and protect the commutator by maintaining correct brush alignment and pressure. A dependable choice for trades and DIY users who need reliable performance from their Makita tools.
Key Features:
- Genuine Makita part for assured fit and compatibility (OEM No. 638849-4)
- Durable moulded body with copper contacts for reliable current transfer
- Helps restore steady power, reducing arcing and intermittent performance
- Precision fit maintains correct brush alignment and contact pressure
- Straightforward installation with standard hand tools; minimal downtime
- Built to withstand heat, vibration, and frequent duty cycles
- Compatible with listed Makita cordless drill/driver and combi drill models
- Supports long service life when paired with correctly specified brushes
Typical Applications:
Used during servicing or repair of Makita cordless drills and combi drills when symptoms include power drop-off, arcing, overheating around the brush area, or visible wear to the holder. Ideal for preventative maintenance on heavily used site tools, restoring reliable operation for drilling, driving, and hammer drilling tasks in timber, metal, masonry, and general construction.
Also known as:
Brush holder assembly, carbon brush holder, brush carrier, motor brush holder unit, commutator brush block for Makita cordless drills and combi drills. Often referenced as a brush holder comp or drill motor brush cage in service literature and parts diagrams.
Fits Models:
BDF441
BDF451
BHP441
BHP451
DHP451ZJ
Alternate Part Numbers:
6388494
Product Specifications
Reviews
Ask a Question
Compatibility
Customers also bought
Related Products
-
![]()
Motor for Makita Btm50 Cordless Multi Tool - 629956-4£25.74 £21.45
