The Wacker Neuson Needle Valve is a genuine OEM component designed for the PT3 pump series and GP4000 portable generator series. As a factory-sourced part, it meets the original design and material specifications Wacker Neuson established for these machines, ensuring the fuel system operates exactly as intended. This needle valve fits multiple GP4000 configurations, including Premium Portable Generator and standard Portable Generator variants, as well as the PT3 pump. Confirm your model number before ordering to ensure correct fitment.
Key Features
- Genuine OEM Fuel Metering Accuracy — Sourced directly from Wacker Neuson, this needle valve maintains the precise flow control tolerances required for stable carburetor operation across varying load conditions.
- Direct-Fit Replacement — Engineered to the same geometry as the original, this valve seats and seals correctly within the carburetor float chamber without reworking or adapting the fuel circuit.
- Broad PT3 and GP4000 Compatibility — Covers the PT3 pump and multiple GP4000 generator variants, including both Premium Portable and standard Portable Generator builds under several assembly configurations.
- Consistent Fuel Delivery Under Load — A correctly functioning needle valve prevents fuel flooding and lean-run conditions, allowing the engine to maintain steady RPM and rated output. A worn or damaged valve typically causes hard starting, rough running, or fuel overflow.
- Fuel System Integrity — As part of the carburetor's fuel inlet circuit, a correctly sealing needle valve is critical to preventing uncontrolled fuel flow, which can pose a fire risk on equipment running in confined or enclosed work environments.
The needle valve sits inside the carburetor and controls the flow of fuel into the float chamber. Working together with the float, it opens to allow fuel in when levels drop and closes to shut off flow once the correct level is reached — maintaining a consistent fuel supply to the engine. When the needle valve wears, develops a groove, or fails to seat properly, the carburetor can flood, causing the engine to run rich, stall, or leak raw fuel — all signs that the valve needs to be replaced.
Part Details
| Part Number | 5000213428 |
|---|---|
| Old Part Number | 0213428 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Valve |
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.
