Power Tool Spares & Accessories
Technical review: 2026-08-20
Power Tool Motor Carbon Brushes
Source replacement motor carbon brushes for brushed power tools, washing machine motors, and vacuum cleaners. High-grade graphite blocks with copper shunts.
Where to Find Your Model or Part Number
To guarantee 100% compatibility, check these standard locations for model badges, OEM stampings, and serial numbers:
- Stamped on the brush holder brass casing, printed in user manual, or stamped on old brush (e.g. CB-440).
Frequently Replaced Components & Spares
Auto-Stop Carbon Brushes
Brushes with internal spring-loaded plastic pin that pops out to stop motor when carbon wears to minimum limit
Standard Spring & Shunt Brushes
Carbon blocks with helical spring and spade / flag terminal connector
Common Symptoms & Fault Diagnostics
| Observed Symptom | Likely Root Cause | Recommended Action |
|---|---|---|
| Tool motor sparks excessively, smells of ozone, or cuts out during operation | Carbon brushes worn down below minimum 4mm service length, causing arcing across commutator | Inspect and replace faulty component. |
Compatibility Verification Checklist
Before ordering replacement components, verify these technical specifications to avoid returns:
Measure Dimensions: Thickness (mm) x Width (mm) x Length (mm) and terminal connector style.
How to Photograph Your Part for AI Identification
- 1Photograph the old brush showing the terminal end, spring, and carbon block.
Safety & Legal Compliance Notice
Remove battery packs or isolate mains electricity before inspecting or replacing carbon brushes on power tools.