The Wacker Neuson Injection Pipe is a genuine OEM component designed for the G40 and G50 series portable generators. As a direct factory replacement, this injection pipe delivers the exact specifications required to keep fuel flowing correctly through the engine's injection system. It is confirmed to fit multiple G40 configurations — including standard, mobile, and LATAM Premium variants — as well as the G50 generator. Sourcing the correct OEM injection pipe means no guesswork on fitment and no compromise on fuel system integrity.
Key Features
- Genuine OEM Fuel System Accuracy — Manufactured to Wacker Neuson's original specifications, ensuring correct fuel delivery volume, pressure routing, and connection geometry for the G40 and G50 injection systems.
- Drop-In Fitment Across G40 and G50 Variants — Directly replaces the injection pipe in G40 standard, G40 Mobile, G40 LATAM Premium (50Hz), and G50 generator configurations with no adaptation needed.
- Consistent Power Output — A properly functioning injection pipe maintains steady fuel delivery to the engine, supporting stable generator output and preventing rough running, misfires, or power fluctuation.
- Fuel System Safety — An intact, correctly seated injection pipe prevents fuel leaks at the injection circuit — a critical safety consideration in any generator application where flammable fuel lines run near heat sources.
- Part Number 5200021199 Verified — Cross-reference this number against your G40 or G50 serial tag before ordering to confirm you have the right pipe for your specific unit configuration.
The injection pipe routes pressurized fuel from the injection pump to the engine's injector, delivering a precise metered supply for combustion. On a diesel generator like the G40 or G50, this component must maintain a sealed, leak-free connection under repeated pressure cycles — any crack, corrosion, or loose fitting can disrupt fuel delivery, cause hard starting, or result in uneven engine performance. Replacing a worn or damaged injection pipe with the correct OEM part restores proper fuel flow and keeps the generator running at its rated output.
Part Details
| Part Number | 5200021199 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Pipe |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
