The Wacker Neuson Nozzle Jet is a genuine OEM component designed for the GP3800A, GV3800A, and GP3800 series portable generators. As a direct factory replacement, this part ensures the carburetor fuel circuit operates exactly as engineered, maintaining consistent fuel atomization and engine response across all supported configurations. Wacker Neuson covers the full GP3800A lineup — including standard, premium, and wheel kit variants — as well as GV3800A value generators and GP3800 EPA- and CSA-compliant models.
Key Features
- Correct Fuel Metering Geometry — Genuine OEM construction ensures the orifice diameter matches the original carburetor specification for consistent air-fuel ratio and clean combustion.
- Direct Carburetor Drop-In — Engineered to seat and seal exactly as the original, threading directly into the carburetor body without modification or re-jetting.
- Broad GP3800 / GV3800A Coverage — A single part number spans the GP3800A (standard, premium, and wheel kit builds), GV3800A value generator variants, and GP3800 EPA- and CSA-certified models.
- Stable Generator Output Under Load — A correctly sized jet sustains steady fuel delivery as load increases, supporting stable voltage and frequency output from the generator.
- Fuel System Integrity — OEM material and finish resist fuel varnish and corrosion inside the carburetor, reducing the risk of blockage that can cause hard starting, rough idle, or power loss.
The nozzle jet is a precision-calibrated orifice fitted inside the carburetor that meters the volume of fuel drawn into the air stream during engine operation. Its bore size is matched specifically to the engine's displacement and carburetor design, so the correct air-fuel mixture is delivered across idle, mid-range, and full-load conditions. When a jet becomes clogged with varnish or debris, or is replaced with an incorrectly sized unit, the engine may run lean or rich — resulting in hard starting, hunting, loss of power, or excessive fuel consumption.
Part Details
| Part Number | 5000074757 |
|---|---|
| Old Part Number | 0074757 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nozzle Jet |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010 |
| Value Generator | GV3800A | 5000620409, 5000620287, 5000620334 |
| GP3800A Generator, EPA | GP3800 | 5000620974, 5000620975, 5000620976 |
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.
