The Wacker Neuson Throttle Shaft is a genuine OEM component designed for the GPi4300 and GPSi4300 Portable Inverter Generator series. As a direct OEM replacement, this part is manufactured to the same specification as the original, ensuring a correct, trouble-free installation with no guesswork on fit or function. It is compatible across multiple GPi4300 and GPSi4300 configurations, making it the right choice whether you are servicing a standard or inverter-equipped unit. Keep part number on hand for planned maintenance or unscheduled repairs to get your generator back running quickly.
Key Features
- Genuine OEM Throttle Actuation Accuracy — Manufactured by Wacker Neuson to match the original throttle shaft geometry and tolerances, ensuring smooth, precise throttle movement without slop or binding.
- Direct Drop-In Installation — Engineered to seat and connect exactly like the factory part, with correct shaft dimensions and interface points for the throttle linkage assembly.
- Broad GPi4300 and GPSi4300 Coverage — Confirmed fitment across multiple GPi4300 and GPSi4300 Portable Inverter Generator variants, covering both standard and inverter configurations.
- Consistent Throttle Response — A properly functioning throttle shaft allows the generator to respond accurately to load demands; a worn or damaged shaft causes erratic engine speed, poor regulation, and potential output instability.
- Fuel System Integrity — The throttle shaft is a critical interface in the fuel delivery and engine speed control circuit; using a genuine OEM part maintains correct sealing and actuation to prevent unmetered air ingress or fuel control faults.
The throttle shaft is a key mechanical link in the generator's engine speed control system, connecting the throttle control mechanism to the carburetor or throttle body to regulate the amount of air and fuel entering the engine. By rotating within its bore, it opens and closes the throttle plate in direct response to load changes or operator input, keeping engine speed stable under varying electrical demand. When the throttle shaft wears, develops play, or fails, the engine may hunt, surge, or fail to hold a steady speed, leading to unstable voltage output and potential damage to connected equipment.
Part Details
| Part Number | 5000226131 |
|---|---|
| Old Part Number | 0226131 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Throttle Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783 |
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.
