The Wacker Neuson Engine Wiring Harness is a genuine OEM component designed for the GPi3200, GPSi3200, GPi4300, and GPSi4300 portable inverter generator series. As a direct OEM part, it is manufactured to the exact specifications used in original production, ensuring correct connector positions, conductor gauging, and routing for a straightforward installation. This harness is confirmed to fit multiple GPi and GPSi series configurations, making it the right choice whether you are servicing a standard or parallel-capable GPSi model. Ordering by part number guarantees you receive the correct assembly for your machine.
Key Features
- OEM Electrical Specification Match — Built to exact conductor gauge, connector type, and circuit layout specifications as the original harness, ensuring proper voltage and signal integrity throughout the engine management system.
- Drop-In Connector Compatibility — All plugs, terminals, and routing lengths mirror the original assembly, so the harness connects directly to existing engine and control board interfaces without cutting or splicing.
- Broad GPi and GPSi Series Coverage — Fits GPi3200, GPSi3200, GPi4300, and GPSi4300 portable inverter generators across multiple production configurations, consolidating coverage under a single part number.
- Protects Engine Control and Shutdown Functions — A sound wiring harness keeps oil alert, throttle control, and ignition circuits operating correctly; a damaged or corroded harness can cause erratic shutdowns, failed starts, or undetected low-oil conditions.
- Electrical Safety Integrity — Genuine OEM insulation ratings and connector sealing help prevent short circuits and grounding faults in the engine bay, which is especially important in a generator powering sensitive equipment.
The engine wiring harness is the central electrical backbone connecting the generator's engine to its control and protection systems — routing power and signals between the ignition circuit, oil alert sensor, throttle control solenoid, and the main control board. Without a fully intact harness, the generator cannot reliably communicate fault conditions or respond to operator inputs, which can lead to unexpected shutdowns or failure to start. A degraded harness — whether from heat exposure, vibration fatigue, or damaged insulation — will introduce intermittent faults that are difficult to diagnose and can mask more serious underlying issues if left unaddressed.
Part Details
| Part Number | 5000181741 |
|---|---|
| Old Part Number | 0181741 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Inverter Generator | GPi3200 | 5000620779, 5000620960, 5000620781 |
| Portable Inverter Generator | GPSi3200 | 5000620780, 5000620961 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783 |
| Portable Inverter Generator | GPi4300 | 5000620782 |
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.
