The Wacker Neuson Injection Pump is a genuine OEM component designed for the DPU6555Heh, DPU6555Hech, and Vibration Plate series compactors. As a direct OEM part, it is built to the exact tolerances and delivery specifications required by the original engine, ensuring consistent fuel metering and dependable engine response. This genuine Wacker Neuson replacement restores full fuel system function and is the correct verified part for the models listed. Confirm your model number before ordering to ensure an exact match.
Key Features
- OEM-Calibrated Fuel Delivery — Manufactured to the original injection pressure and flow specifications, so the engine receives precisely the right fuel charge at every stroke.
- Direct-Fit Replacement — Engineered to match the original mounting ports, inlet and outlet connections, and drive interface for a straightforward installation with no improvisation.
- Confirmed Fitment — Verified for DPU6555Heh, DPU6555Hech, and Vibration Plate series machines; always cross-reference your model and serial number before ordering.
- Consistent Engine Starting and Power Output — A properly functioning injection pump maintains correct compression-side fuel timing, supporting reliable cold starts and full plate compaction force under load.
- Fuel System Safety Compliance — As a high-pressure fuel system component, using the correct OEM-spec pump helps maintain the integrity of diesel injection lines and reduces the risk of fuel leaks or uncontrolled pressure events during operation.
The injection pump is the heart of a diesel fuel system — it pressurizes fuel from the tank and delivers precisely metered doses to the injectors at exactly the right moment in the engine cycle. On a plate compactor like the DPU6555 series, consistent fuel delivery directly affects starting performance, throttle response, and the sustained centrifugal force the plate generates. When the injection pump wears or fails, symptoms typically include hard starting, loss of power, excessive smoke, or the engine refusing to run at all — all of which bring compaction work to a halt until the pump is replaced.
Part Details
| Part Number | 5100078489 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| DPU6555Heh US | DPU6555Heh US | 5100058447 |
| DPU6555Hech US | DPU6555Hech US | 5100062487 |
| Vibration Plate | DPU6555Hehapn | 5100079579 |
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.
