The Wacker Neuson Injection Nozzle Complete is a genuine OEM component designed for the D4000 Diesel Power Unit and L5000/225 series internal vibrator power units. As a direct factory replacement, this part is sourced from Wacker Neuson and built to the same specification as the original, ensuring a correct installation in the D4000 and L5000/225 ANSI and ISO configurations. When your existing nozzle is worn, clogged, or delivering inconsistent spray, swapping in the restores proper fuel delivery and protects engine performance.
Key Features
- OEM-Spec Fuel Atomization: — Manufactured to Wacker Neuson's original spray pattern and flow rate tolerances, so fuel is atomized correctly at the point of injection — not approximately.
- Drop-In Installation: — Engineered as a direct assembly replacement for the original nozzle position; connects to existing fuel lines and mounting hardware without adaptation.
- Confirmed Fitment: — Verified for the D4000 Diesel Power Unit, L5000/225 ISO, and L5000/225 ANSI internal vibrator power units.
- Consistent Engine Output: — A properly functioning injection nozzle maintains correct combustion timing and fuel charge, keeping the engine running at rated power for concrete consolidation work.
- Fuel System Integrity: — A failed or fouled nozzle can cause hard starts, rough running, or unburned fuel entering the combustion chamber; replacing with a genuine OEM part restores safe, clean-burning operation.
An injection nozzle controls the precise delivery of diesel fuel into the combustion chamber — atomizing fuel at high pressure into a fine mist that ignites cleanly and efficiently. In a diesel power unit like the D4000, the nozzle's spray pattern and opening pressure are critical to smooth combustion; a worn or blocked nozzle disrupts the fuel charge, leading to misfires, excessive smoke, power loss, or difficulty starting. Replacing a failed nozzle with the correct OEM part restores proper combustion and protects downstream engine components from the effects of incomplete fuel burn.
Part Details
| Part Number | 5000211906 |
|---|---|
| Old Part Number | 0211906 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Nozzle Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
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.
