The Wacker Neuson Injector Nozzle Fitting is a genuine OEM component designed for the G25 and G12 series portable generators. Sourced directly from Wacker Neuson, this fitting meets the exact specifications required for proper fuel delivery in these skid-mounted and mobile generator configurations. Confirmed fitment spans multiple G25 variants — including standard mobile, skid-mounted, and cold-weather models — as well as the G12 skid-mounted generator. Choosing the correct OEM fitting ensures the fuel system performs as engineered, with no compromises in flow, sealing, or thread engagement.
Key Features
- Genuine OEM Fuel System Integrity — Manufactured to Wacker Neuson's exact thread and sealing specifications, ensuring the fitting forms a leak-free connection at the injector nozzle.
- Direct Drop-In Installation — Matches the original port geometry and thread pitch on G25 and G12 generators, so the fitting seats and torques correctly without modification.
- Broad G-Series Compatibility — Confirmed for multiple G25 configurations (standard mobile, skid-mounted, and cold-weather) and the G12 skid-mounted generator.
- Consistent Fuel Delivery — A correctly seated injector nozzle fitting maintains proper fuel pressure and atomization at the nozzle, keeping combustion efficient and power output stable.
- Fuel System Safety — An improperly fitted or worn injector nozzle fitting can allow fuel leakage near combustion components; using the correct OEM replacement eliminates that risk.
The injector nozzle fitting is a precision connector in the engine's fuel delivery circuit, linking the fuel supply line to the injector nozzle. It creates a sealed, pressure-rated junction that allows fuel to pass at the precise flow rate the injector requires for clean combustion. When this fitting becomes damaged, corroded, or develops a compromised seal, it can cause fuel leaks, erratic injector performance, hard starting, or uneven power output — all of which put the generator and the jobsite power supply at risk.
Part Details
| Part Number | 5000116342 |
|---|---|
| Old Part Number | 0116342 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injector Nozzle Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator | G25 | 5000009258, 5000008228, 5000009462, 5000009476 |
| Mobile Generator, Skid Mounted | G12 | 5000008227 |
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.
