The Wacker Neuson Injection Pipe is a genuine OEM fuel system component designed for the G40 and G50 series portable generators. Sourced directly from Wacker Neuson, this part carries the same specification as the original, ensuring a correct drop-in fit across the G40 and G50 generator family — including standard, mobile, and LATAM Premium configurations. Whether you're servicing a stationary G40 or a mobile G50 unit, part number is the verified replacement for this position in the fuel delivery system. Confirm your model number against the fitment list before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Fuel Delivery Precision — Manufactured to exact Wacker Neuson specification, ensuring correct fuel metering and consistent injection timing for the G40 and G50 engine.
- Direct-Fit Replacement — Engineered to connect at the same ports and mounting points as the original, with no adaptation or reworking of surrounding fuel lines needed.
- Broad G-Series Compatibility — Fits multiple G40 variants (standard, mobile, and LATAM Premium configurations) as well as the G50 generator, covering a wide range of Wacker Neuson portable generator builds.
- Consistent Fuel System Performance — A correctly functioning injection pipe maintains steady fuel flow to the engine under load; a cracked, blocked, or degraded pipe can cause hard starts, power drop, or uneven engine running.
- Fuel System Safety — As a pressurized fuel delivery component, using a genuine OEM pipe with correct material ratings and secure fittings helps prevent fuel leaks that could create a fire hazard on the generator set.
The injection pipe is a pressurized fuel delivery line that channels diesel from the injection pump to the injector on the engine. It plays a direct role in how precisely and consistently fuel is delivered to the combustion chamber — affecting startup reliability, power output, and fuel efficiency under load. When an injection pipe cracks, corrodes, or develops a leak at its fittings, fuel pressure drops and the engine may run roughly, lose power, or fail to start; in more serious cases, a fuel leak near hot engine surfaces creates a fire risk that demands immediate attention.
Part Details
| Part Number | 5200021123 |
|---|---|
| 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.
