The Honda 31155-ZR4-003 Brush Assembly is a genuine OEM component designed for the EP2500 generator. Sourced directly from Honda, this part is built to the same specification as the original, ensuring your generator's alternator continues to operate as intended. If your EP2500 is showing signs of low or no output voltage, a worn brush assembly is one of the first components to inspect and replace.
Key Features
- Genuine Honda OEM — manufactured to Honda's original specification for the EP2500 generator, not an approximation of it
- Alternator Output Integrity — worn or degraded carbon brushes cause voltage drop, erratic output, or a complete loss of AC power; replacing this assembly restores consistent electrical delivery
- Direct OEM Replacement — this assembly fits the EP2500 generator; confirm your unit's serial number against the fitment table before ordering
The brush assembly is a critical wear component inside the generator's alternator. Carbon brushes maintain sliding electrical contact with the rotor's slip rings, allowing current to flow through the field winding and enabling the alternator to produce AC output. As the carbon blocks wear down over time through normal use, contact pressure drops, electrical resistance increases, and output voltage becomes unstable or fails entirely. Replacing the brush assembly at the first sign of output irregularity is the most cost-effective way to restore full generating capacity to the EP2500.
Part Details
| Part Number | 31155-ZR4-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Brush Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EP2500 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
