Description
Overview:
The Brush Holder 5x8 is a genuine Makita replacement part designed to secure and guide 5 x 8 mm carbon brushes inside the motor of compatible impact drills. It keeps consistent electrical contact between the brush and commutator, helping the tool run smoothly and reducing excessive sparking and heat. Built from durable, heat‐resistant materials with metal terminals, it offers a reliable fit for long service life. This holder is engineered for Makita MT‐series tools, including the MT814 and MT815, and is supplied under the Makita Manufacturer Part Number 643566-3 for assured identification. Use it to replace a worn or damaged holder during routine maintenance or repair to restore performance and protect the armature and brush set. Genuine Makita Part for compatibility and reliability.
Key Features:
- Genuine Makita Part for assured fit and function (MPN: 643566-3)
- Sized for 5 x 8 mm brushes to maintain correct brush alignment and pressure
- Durable, heat‐resistant housing with robust metal contacts for dependable conductivity
- Helps reduce arcing, overheating, and premature brush wear
- Precise fit for listed Makita MT‐series drills to minimise downtime
- Supports efficient motor maintenance and extends tool service life
- Straightforward replacement for a worn holder, no modifications required
- Compatible with multiple models to simplify spares stocking
Typical Applications:
Used during routine servicing or repair of Makita impact drills when brushes or holders show wear, signs of arcing, intermittent power, or melting of the original housing. Suitable for trade workshops, on‐site maintenance, and DIY users who need to restore reliable motor operation and consistent torque in daily drilling and fastening tasks.
Also known as:
Carbon brush holder, brush cage, brush carrier, motor brush retainer, commutator brush housing, armature brush block, drill motor brush mount.
Fits Models:
M8101K, MT64, MT814, MT815, MT815K
Alternate Part Numbers:
6435663
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