The Wacker Neuson Main Jet #102 is a genuine OEM component designed for the GS12Ai 50Hz Portable Generator 12 kVA. Sourced directly from Wacker Neuson, this jet is manufactured to the exact calibration required by the carburetor on this generator model, ensuring the correct fuel-to-air ratio is maintained under load. Using the factory-specified #102 jet size means no guesswork on fuel metering — the part slots into the carburetor body exactly as the original did. Confirm part number against your machine's serial tag before ordering to ensure an accurate match.
Key Features
- Exact Jet Calibration: — The #102 orifice size is factory-specified for correct fuel flow through the carburetor, maintaining the intended air-fuel mixture at rated output.
- Genuine OEM Part: — Supplied by Wacker Neuson as a direct OEM replacement, meaning the material grade and orifice tolerances match the original production specification precisely.
- Direct Carburetor Fitment: — Designed to thread or seat into the carburetor assembly of the GS12Ai generator without modification, using the same thread form and seating surface as the original jet.
- GS12Ai Generator Compatibility: — Verified fitment for the GS12Ai 50Hz Portable Generator 12 kVA; confirm your machine's model and serial number before ordering.
- Protects Generator Output Stability: — A correctly sized main jet keeps fuel delivery consistent under varying loads; a blocked or incorrectly sized jet causes rough running, surging, or failure to reach rated output.
The main jet is a small but critical component inside the carburetor that meters the volume of fuel delivered to the engine under normal and full-load operating conditions. Its precisely sized orifice controls fuel flow rate — too small and the engine runs lean, losing power or overheating; too large and it runs rich, wasting fuel and producing excessive exhaust. On a portable generator like the GS12Ai, a worn, clogged, or incorrectly sized main jet will directly impact voltage and frequency stability, affecting any equipment or tools powered by the generator.
Part Details
| Part Number | 5000159513 |
|---|---|
| Old Part Number | 0159513 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet #102 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50Hz Portable Generator 12 kVA | GS12Ai | 5000009108 |
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.