Description
Overview:
The Carbon Brush Set CB-258 (MPN 191D84-4) is a genuine Makita replacement part for maintaining the motor performance of the Makita GA4550 angle grinder. Made from durable carbon/graphite material, the brushes provide consistent electrical contact with the commutator, helping to minimise sparking, reduce wear, and keep the tool running smoothly under load. Supplied as a matched set with pre-fitted leads and spring assemblies, they are designed for straightforward replacement during routine servicing. Using the correct brush grade helps protect the armature and extends the overall life of the grinder. Suitable for tradespeople and DIY users alike, this OEM set restores reliable power delivery and efficiency to the GA4550, keeping cutting, grinding, and surface preparation tasks on schedule.
Key Features:
- Genuine Makita part for assured fit and performance on GA4550
- Carbon/graphite brushes engineered for stable contact and reduced arcing
- Helps restore lost power, smooth running, and consistent speed under load
- Pre-fitted flexible lead and spring for quick, tidy installation
- Supports preventative maintenance and extends motor and commutator life
- Designed to reduce downtime on site or in the workshop
- Suitable for replacing worn, chipped, or short brushes to prevent motor damage
- Manufactured to OEM specification for correct hardness and wear rate
- Reliable choice for heavy, frequent grinder use in construction and fabrication
- Clear identification: CB-258 / MPN 191D84-4
Typical Applications:
Routine servicing of Makita GA4550 angle grinders used for cutting and grinding metal, masonry, and concrete. Ideal when the tool shows intermittent power, excessive sparking, reduced speed, or poor start-up. Suitable for workshop maintenance, site repairs, and planned brush replacement to maintain tool uptime.
Also known as:
Makita CB-258 brushes, angle grinder motor brushes, carbon brush kit, commutator brushes, replacement grinder brushes, OEM brush set for Makita GA4550.
Fits Models:
GA4550
Alternate Part Numbers:
191D84-4, 191D844
Product Specifications
| L&S Part No. | 191D84-4 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 191D84-4 |
| Unit of Sale | 1 |
| Applications | Ga4550 |
| Machine Type | Angle Grinder |
| Fits Brands | Makita |
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