The Wacker Neuson is a genuine OEM Main Jet Nozzle designed for the GP6600A, GPS6600A, GV6600A, GV6600, GV7000A, and GV7003A series portable generators. As a factory-sourced component, part is manufactured to the exact specifications of the original part it replaces, ensuring a direct, hassle-free installation. This nozzle fits a broad range of GP and GPS 6600-series models as well as GV 6600 and 7000-series value and premium generator variants. If your generator is running lean, surging at load, or failing to reach rated output, a worn or clogged main jet nozzle is a common cause — and replacing it with the correct OEM part restores proper fuel delivery.
Key Features
- Calibrated Fuel Metering: — Manufactured to OEM orifice tolerances, ensuring the correct air-fuel ratio across the generator's load range — critical for stable voltage output and engine efficiency.
- Genuine OEM Sourcing: — Supplied directly from Wacker Neuson, this is the same part installed at the factory — not a substitute or approximation.
- Broad Generator Fitment: — Confirmed compatibility across GP6600A, GPS6600A, GV6600A, GV6600, GV7000A, and GV7003A portable generator series, including CAN GFI, CSA, wheel kit, and electric-start variants.
- Drop-In Carburetor Replacement: — Installs directly into the existing carburetor body with no modification to the fuel circuit, throttle linkage, or bowl hardware.
- Restores Full-Load Performance: — A correctly sized main jet nozzle allows the engine to deliver rated wattage under sustained load; a degraded nozzle causes surging, overheating, and under-voltage conditions.
- Fuel System Integrity: — Using the correctly rated OEM nozzle prevents overfueling or lean-run conditions that can damage the engine over time, particularly under generator load cycling.
The main jet nozzle is the primary fuel-metering component inside the carburetor. It controls the volume of fuel drawn into the air stream under mid-to-full throttle conditions, directly governing the engine's power output and efficiency. When the nozzle becomes clogged with varnish deposits, eroded, or incorrectly sized, the engine will surge, lose power under load, run excessively rich or lean, or fail to maintain stable RPM — all of which translate to unstable electrical output from the generator. Replacing a worn or fouled main jet nozzle with the correct OEM-spec part is one of the most effective carburetor service steps for restoring consistent generator performance.
Part Details
| Part Number | 5000162656 |
|---|---|
| Old Part Number | 0162656 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet Nozzle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS6600A GENERATOR,CAN GFI | GPS6600A | 5000620102, 5000620386, 5000620331, 5000620047, 5000620099, 5000620016 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620329, 5000620330, 5000620384, 5000620045, 5000620046, 5000620097, 5000620098, 5000620014, 5000620015 |
| Premium Portable Generator | GP6600 | 5000620385 |
| GPS6600A Generator, CSA | GPS6600 | 5000620988 |
| 50Hz Portable Value Generator | GV7003A | 5000009354, 5000009359 |
| 50Hz Portable Value Generator | GV7000A | 5000009358, 5000009363 |
| Value Portable Generators | GV6600 | 5000620996 |
| Value Generator, 60Hz | GV6600A | 5000620289, 5000620336 |
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.