The Wacker Neuson Jet Pilot is a genuine OEM component designed for the GP4000 series portable generators, including both standard and Premium Portable Generator configurations. As a factory-sourced part, it is manufactured to the same tolerances and material specifications as the original, ensuring consistent fuel circuit performance across all compatible GP4000 models. This part is a direct replacement for units where the original jet pilot has worn, clogged, or failed, and it installs in the same position as the factory-fitted component without modification. Confirm your model number against the fitment list before ordering to ensure compatibility.
Key Features
- OEM Fuel Circuit Accuracy — Manufactured to the exact orifice sizing and flow specification of the original, ensuring the correct fuel-to-air mixture delivery the carburetor was designed around.
- Direct Carburetor Drop-In — Seats and seals into the carburetor body the same way as the factory part, requiring only standard hand tools for installation.
- GP4000 Series Compatibility — Confirmed fitment across multiple GP4000 Premium and standard Portable Generator variants, covering a broad range of Wacker Neuson generator configurations in this family.
- Restored Idle and Low-Speed Performance — A functioning jet pilot governs fuel flow at idle and low throttle; a worn or blocked unit causes rough idle, stalling, and hard starting that a fresh OEM part corrects.
- Fuel System Integrity — Using a genuine OEM jet pilot preserves correct fuel metering, which is critical for safe generator operation and protection of downstream electrical components from voltage irregularities caused by inconsistent engine speed.
The jet pilot is a precisely sized metering jet located inside the carburetor that controls fuel delivery at idle and low engine speeds. It works by allowing a calibrated amount of fuel to mix with incoming air before it enters the engine, which keeps combustion stable and engine speed consistent under light loads. When the jet pilot becomes clogged with varnish deposits or wears beyond its original tolerance, the engine loses the ability to idle smoothly, may stall under load, or become difficult to start — symptoms that directly affect the generator's ability to deliver steady power output.
Part Details
| Part Number | 5000213442 |
|---|---|
| Old Part Number | 0213442 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Jet Pilot |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.