The Honda 31404-ZB4-V31 Wire Harness Assembly is a genuine OEM component designed for the EG3500 generator. As a factory-original part, it meets Honda's exact specifications for conductor routing, connector type, and circuit protection — ensuring the generator's electrical system operates exactly as engineered. This assembly is the correct replacement for the EG3500 and is identified by part number 31404-ZB4-V31.
Key Features
- Genuine OEM Electrical Integrity — factory-original wiring with correct conductor gauges, insulation ratings, and connector configurations matched to the EG3500's electrical layout
- Direct Replacement — plug-and-play compatibility with the EG3500 generator; connectors align to factory positions without splicing or adaptation
- Fitment Verified — designed specifically for the Honda EG3500 generator; confirm your unit's serial number against the fitment table before ordering
- Electrical System Continuity — a damaged or degraded harness can cause intermittent power loss, dead circuits, or failed control panel functions; replacing it restores consistent electrical output and control reliability
The wire harness assembly is the central electrical backbone of the EG3500 generator, bundling and routing all primary and control-circuit wiring between the engine, alternator, control panel, circuit breakers, and outlets. It carries both power and signal conductors in a single protected loom, keeping connections organized and shielded from heat, vibration, and abrasion. When the harness degrades — through chafed insulation, corroded connectors, or broken conductors — the generator can exhibit erratic output, non-responsive controls, or complete electrical failure, making prompt replacement essential to restore full operation.
Part Details
| Part Number | 31404-ZB4-V31 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Wire Harness Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EG3500 | 4138516-9999999 |
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.
