The Wacker Neuson Piston Complete is a genuine OEM component designed for the DPU 4045H and DPU 5045H series reversible vibratory plate compactors. As a direct factory replacement, part delivers the exact dimensional tolerances and material specification required to restore engine compression and performance to original operating condition. Fitment covers multiple DPU 4045H and DPU 5045H configurations, including the DPU 5045He US variant, making this piston assembly a versatile engine rebuild solution across the DPU heavy-duty diesel reversible plate family.
Key Features
- Genuine OEM Compression Spec — Manufactured to Wacker Neuson's exact bore diameter and ring-groove tolerances, ensuring the piston seals correctly against the cylinder wall for full combustion efficiency.
- Complete Assembly Ready to Install — Supplied as a Piston Complete, meaning the piston, pin, and associated components are included as a matched set — no need to source individual sub-components separately.
- Broad DPU Series Fitment — Confirmed for DPU 4045H and DPU 5045H reversible vibratory plate compactors, including the DPU 5045He US model, covering the full range of heavy-duty diesel DPU configurations.
- Restores Full Engine Output — A worn or failed piston causes loss of compression, hard starting, excessive smoke, and reduced centrifugal force output — replacing it with 5000207779 brings compaction performance back to rated specification.
- Fuel System Integrity — Correct piston fitment is critical in diesel engines; improper compression can lead to incomplete combustion and fuel-related fouling of downstream components, making the right OEM part essential.
The piston is the central reciprocating component inside the engine cylinder, converting the force of combustion into the crankshaft rotation that ultimately drives the exciter unit and produces the compaction force the plate delivers to the ground. In a diesel engine like those fitted to the DPU 4045H and DPU 5045H, the piston must maintain an airtight seal with the cylinder bore to generate sufficient compression for self-ignition — without it, the engine will not start reliably or run at full power. When a piston wears, cracks, or seizes, the result is lost compression, increased oil consumption, misfires, and ultimately a machine that cannot deliver consistent compaction output on site.
Part Details
| Part Number | 5000207779 |
|---|---|
| Old Part Number | 0207779 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| V.Plate DPU 5045Heap | DPU 5045H | 5000610046, 5000610052, 5000610047 |
| V.Plate DPU 4045Hap | DPU 4045H | 5000610044, 5000610051, 5000610064 |
| DPU 5045He-VIBROPLATE | DPU 5045He US | 5000610367 |
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.
