The Wacker Neuson Injector is a genuine OEM fuel injector designed for the G40, G50, G60, and G70 series portable generators. Sourced directly from Wacker Neuson, this part meets the exact specifications required for proper fuel delivery and combustion in these machines. It fits a broad range of G-series generator configurations, including standard, mobile, and international market variants across the G40, G60, and G70 model lines. When the original injector wears or fails, replacing it with the correct OEM part — part number — ensures the engine returns to proper operating condition without guesswork.
Key Features
- OEM-Spec Fuel Atomization: — Calibrated to the precise spray pattern and flow rate required by G-series generator engines for clean, efficient combustion.
- Drop-In Fitment: — Engineered to the original injector port dimensions and connector configuration, seating and sealing correctly on installation.
- Broad G-Series Compatibility: — Confirmed fitment across G40, G50, G60, and G70 generator models, including mobile and international premium variants.
- Protects Engine Performance: — A correctly functioning injector maintains proper air-fuel ratio, supporting stable power output and smooth engine operation under load.
- Fuel System Integrity: — As a genuine OEM component, this injector is built to resist internal wear and leakage, which are common failure modes that can lead to rough running or fuel contamination in the combustion chamber.
A fuel injector meters and atomizes diesel fuel, delivering a precisely timed and calibrated spray directly into the engine's combustion chamber. This process is critical to efficient ignition, stable power output, and clean engine operation. When an injector wears out or becomes blocked, symptoms typically include hard starting, rough idle, reduced power output, increased fuel consumption, or visible exhaust smoke — all of which degrade generator performance and can cause accelerated engine wear if left unaddressed.
Part Details
| Part Number | 5200021160 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injector |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909 |
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.