The Wacker Neuson Jet Nozzle is a genuine OEM component designed for the GV3800 and GP3800A portable generators. Sourced directly from Wacker Neuson, this part carries the same specifications as the original, ensuring a direct drop-in replacement with no guesswork involved. It is confirmed to fit the GV3800 (Value Portable Generator) and the GP3800A, making it straightforward to verify compatibility before you order.
Key Features
- OEM-Matched Flow Geometry — Manufactured to the original orifice and spray pattern specifications, so fuel delivery performance matches what the engine was tuned for.
- Direct Drop-In Installation — Engineered to the same thread pitch and seat dimensions as the factory nozzle, connecting directly to the existing fuel circuit without adaptation.
- Confirmed Fitment — Verified for the Wacker Neuson GV3800 Value Portable Generator and the GP3800A portable generator series.
- Consistent Combustion Performance — A correctly functioning jet nozzle maintains the precise fuel-to-air ratio the generator needs to hold steady output voltage and frequency under load.
- Fuel System Integrity — A worn or clogged nozzle can cause hard starting, erratic engine speed, and voltage instability; replacing it with a genuine part restores proper fuel atomization and system reliability.
The jet nozzle is a precision-drilled fuel metering component within the carburetor circuit of a portable generator. It controls the volume and atomization of fuel entering the engine, directly influencing how the generator starts, idles, and responds to load changes. When a jet nozzle becomes worn, clogged, or damaged, the engine may run rich or lean, resulting in rough idling, loss of power output, increased fuel consumption, or difficulty starting — replacing it is one of the most effective carburetor service steps available to restore normal operation.
Part Details
| Part Number | 5200003873 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Jet Nozzle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Value Portable Generator | GV3800 | 5000620994 |
| GP3800A | GP3800A | 5100041978 |
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.