The Wacker Neuson Rectifier is a genuine OEM component designed for the GPi1700, GPi3200, GPSi3200, GPi4300, and GPSi4300 series portable inverter generators. Sourced directly from Wacker Neuson, this rectifier meets the same output and tolerance specifications as the original part installed at the factory, ensuring your generator's electrical system performs exactly as intended. This is the correct OEM replacement for a broad range of GPi and GPSi inverter generator configurations, making it a dependable choice whether you're servicing a single unit or maintaining a fleet.
Key Features
- Correct Electrical Output Spec — Genuine OEM construction ensures the rectifier delivers the precise AC-to-DC conversion your inverter generator's charging circuit depends on, with no guesswork on voltage compatibility.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration and connector interface, so installation aligns with the existing wiring harness without adaptation.
- Broad GPi and GPSi Series Coverage — Confirmed fitment across GPi1700, GPi3200, GPSi3200, GPi4300, and GPSi4300 inverter generator models, covering multiple serial number ranges within each series.
- Protects Generator Output Quality — A properly functioning rectifier maintains stable DC voltage to the battery charging circuit; a failed unit can result in battery drain, erratic output, or complete loss of charging function.
- Electrical Safety Compliance — As a core component of the generator's electrical system, using the OEM-specified rectifier ensures the charging circuit operates within its designed parameters, reducing the risk of overcharge conditions or electrical faults.
A rectifier converts the alternating current (AC) produced by the generator's alternator into direct current (DC), which is used to charge the onboard battery and power DC-dependent circuits. In an inverter generator, the rectifier is a critical link in the power management chain — without it functioning correctly, the battery will not charge and the generator may fail to start or hold a stable electrical load. When a rectifier fails, symptoms typically include a dead battery, warning indicator faults, or a generator that runs but cannot sustain output — replacing it promptly restores normal charging operation and protects downstream electrical components.
Part Details
| Part Number | 5000180331 |
|---|---|
| Old Part Number | 0180331 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rectifier |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Inverter Generator | GPi1700 | 5000620777, 5000620778 |
| Portable Inverter Generator | GPi3200 | 5000620779, 5000620960, 5000620781 |
| Portable Inverter Generator | GPSi3200 | 5000620780, 5000620961, 5000620936 |
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
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.
