The Wacker Neuson Key Switch is a genuine OEM component designed for GPSi3200 and GPSi4300 portable inverter generators. Sourced directly from Wacker Neuson, this part is manufactured to the same specification as the original, ensuring a correct, drop-in fit with no guesswork. The covers multiple configurations across both the GPSi3200 and GPSi4300 series, making it the dependable choice when your generator's ignition switch needs replacing.
Key Features
- OEM-Matched Switching Specification — Engineered to deliver the correct electrical switching action and contact rating for the ignition circuit on Wacker Neuson inverter generators.
- Direct-Install Replacement — Matches the original mounting footprint and connector configuration, allowing straightforward installation into the existing switch housing.
- Broad GPSi Series Coverage — A single part number covers GPSi3200 and GPSi4300 inverter generator models, simplifying parts sourcing across your fleet.
- Consistent Start-Cycle Performance — A properly functioning key switch delivers clean, reliable ignition engagement every time; a worn or faulty switch can cause intermittent starts, failure to crank, or inability to shut the unit down safely.
- Electrical Safety Compliance — As a primary ignition control component, using a genuine OEM switch maintains the correct circuit protection and shutdown behavior the generator was designed around.
The key switch is the primary operator control for starting and stopping the generator's engine. When the key is turned, the switch completes or breaks the ignition circuit, allowing the engine to crank, run, or shut down on command. A failing key switch can present as hard starting, a unit that won't power off, or an intermittent no-start condition — all of which put the operator and connected equipment at risk.
Part Details
| Part Number | 5000180405 |
|---|---|
| Old Part Number | 0180405 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Inverter Generator | GPSi3200 | 5000620780, 5000620961, 5000620936 |
| 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.
