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 is sourced from Wacker Neuson and matches the original specification for correct fitment and fuel delivery performance across G40 standard, G40 mobile, and G50 generator configurations. Confirmed compatible models include the G40 (), G40 Mobile Generator (), G50 (), G40 Mobile Generators (), and the G40 Generator 50Hz LATAM Premium ().
Key Features
- Genuine OEM Fuel Delivery Accuracy — manufactured to Wacker Neuson's original specification, ensuring the correct flow path and connection geometry for consistent fuel injection performance.
- Drop-In Fitment for G40 and G50 Generators — engineered to connect directly to the existing injection system without modification, preserving proper line routing and sealing interfaces.
- Broad G-Series Compatibility — fits G40 standard, G40 mobile, G50, and G40 50Hz LATAM Premium generator variants, covering multiple configurations within the same family.
- Protects Engine from Fuel Starvation — a structurally sound injection pipe maintains steady, uninterrupted fuel delivery to the engine; a cracked or worn pipe can cause misfires, power loss, or hard starting under load.
- Fuel System Integrity — a correct-fitting OEM pipe maintains proper sealing at connection points, reducing the risk of fuel leaks at the injector interface — an important consideration on any diesel-fueled generator.
The injection pipe routes pressurized fuel from the injection pump to the fuel injector on the generator's diesel engine. It must withstand high-pressure pulses with every injection event, and the pipe's geometry — including its end fittings and routing angles — is specific to the engine layout. A damaged, cracked, or degraded injection pipe can cause fuel leaks, erratic engine behavior, or complete failure to start. Replacing it with a genuine OEM part ensures the correct pressure rating, fitment geometry, and sealing performance are restored.
Part Details
| Part Number | 5200021200 |
|---|---|
| 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.
