The Wacker Neuson Throttle Shaft A is a genuine OEM component designed for the PT3 pump series and GP4000 portable generator series. As a direct OEM replacement, it is manufactured to the same specifications as the original part, ensuring correct mechanical engagement with the throttle linkage and carburetor assembly. This part fits multiple GP4000 generator configurations as well as the PT3 pump, making it a versatile stock item for fleet operators and service technicians alike. Ordering by part number confirms you are getting the correct shaft variant — designated "A" — for the applicable machines.
Key Features
- OEM-Spec Shaft Geometry — Machined to original dimensional tolerances, ensuring smooth rotational movement and positive throttle response without binding or slack.
- Direct Linkage Alignment — Drops into the existing throttle linkage mounting points without modification, maintaining correct angular travel for precise throttle control.
- Broad Fitment Coverage — Compatible with the PT3 pump series and multiple GP4000 portable generator variants, including premium and standard configurations.
- Consistent Throttle Response — A correctly functioning throttle shaft maintains steady engine speed under load; a worn or bent shaft causes erratic RPM, governor hunting, and loss of output control.
- Fuel System Integrity — Because this shaft directly controls fuel delivery rate, using the correct OEM part matters for safe, stable engine operation and avoiding uncontrolled throttle behavior.
The throttle shaft is the mechanical link between the operator throttle control and the carburetor's throttle plate. As the shaft rotates, it opens or closes the throttle plate to regulate airflow and fuel mixture into the engine, directly controlling engine speed and power output. When the shaft is worn, bent, or damaged, the throttle plate can stick, bind, or fail to return to idle — leading to rough running, over-revving, or loss of speed control under load.
Part Details
| Part Number | 5000213446 |
|---|---|
| Old Part Number | 0213446 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Throttle Shaft A |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3 Pump | PT3 | 5000009321 |
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
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.