The Wacker Neuson 5000158441 Main Jet is a genuine OEM component designed for the GP2500A and GV2500A series portable generators. Sourced directly from Wacker Neuson, this part carries the same specifications as the original installed at the factory, ensuring accurate fuel metering and consistent carburetor performance. It is confirmed to fit multiple configurations across the GP2500A and GV2500A generator families, including EPA-compliant, 60Hz, and 50Hz portable value generator variants. When it comes to a precision carburetor component like a main jet, using the correct OEM part is the most dependable way to restore proper fuel delivery and engine output.
Key Features
- Correct Fuel Metering Orifice: — Sized to OEM specification so the carburetor delivers the exact air-to-fuel ratio your GP2500A or GV2500A engine requires at load.
- Genuine OEM Quality: — Manufactured to Wacker Neuson standards with precise orifice dimensions, ensuring consistent flow characteristics that an incorrectly sized jet cannot replicate.
- Direct Carburetor Fitment: — Threads directly into the carburetor body as a drop-in replacement, matching the original part's thread pitch and seat geometry.
- Broad GP2500A and GV2500A Coverage: — Fits multiple GP2500A and GV2500A configurations, including EPA-compliant, 60Hz Value Generator, and 50Hz Portable Value Generator variants.
- Protects Engine Performance Under Load: — A correctly functioning main jet sustains full-load fuel delivery; a worn or clogged jet causes lean running, power loss, and potential engine damage.
- Fuel System Integrity: — As a fuel-circuit component, using the correct OEM jet helps maintain safe, stable combustion and prevents unmetered fuel delivery that can affect generator output voltage.
The main jet is a small but critical component inside the carburetor of a gasoline-powered generator. It controls the volume of fuel drawn into the engine during mid to full-throttle operation by restricting flow through a precisely sized orifice — if that orifice is too large or too small, the engine runs rich or lean, causing rough operation, power loss, or excessive fuel consumption. Over time, main jets can become clogged with fuel varnish deposits or damaged during carburetor cleaning, making replacement necessary to restore correct engine operation.
Part Details
| Part Number | 5000158441 |
|---|---|
| Old Part Number | 0158441 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP2500A | GP2500A | 5000620128, 5200002844, 5000620009 |
| GV2500A | GV2500A | 5000009345, 5000009350, 5000620542, 5000009355, 5000009360, 5000620286 |
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.
