The Wacker Neuson Piston Complete is a genuine OEM component designed for the DPU 4045H and DPU 5045H series reversible vibratory plate compactors, including the DPU 5045He US variant. As a factory-sourced assembly, part number is manufactured to the same tolerances and material specifications as the original, ensuring a direct drop-in replacement within the engine's reciprocating assembly. This piston assembly is the correct service part for operators maintaining diesel-powered DPU machines across multiple configurations in the 4045H and 5045H families.
Key Features
- Genuine OEM Dimensional Accuracy — Machined to the original bore diameter and ring-groove tolerances, maintaining proper compression ratios and combustion sealing critical to diesel engine performance.
- Complete Assembly — Supplied as a Piston Complete unit, meaning all necessary piston components are included as a matched set for straightforward installation during engine rebuild or overhaul.
- Broad DPU Family Fitment — Compatible across the DPU 4045H and DPU 5045H model families, including the DPU 5045He US, covering a wide range of diesel reversible vibratory plate configurations.
- Compression Integrity Restored — A worn or damaged piston causes loss of compression, hard starting, excessive oil consumption, and reduced compaction output; this replacement restores full engine compression and operational efficiency.
- Fuel System Safety Compliance — Correct piston fit prevents combustion blow-by, which can introduce fuel contamination into the crankcase and create hazardous operating conditions — using the correct OEM part keeps the engine operating within safe design limits.
The piston is the core reciprocating component within a diesel engine's cylinder, converting the force of combustion into the rotational motion that drives the machine's exciter and compaction system. In a DPU reversible vibratory plate, consistent engine power output directly determines the quality and consistency of soil compaction — a worn, cracked, or incorrectly sized piston degrades compression, reduces engine power, and can lead to complete engine failure if left unaddressed. Replacing the piston as a complete assembly ensures all mating surfaces and ring grooves are correctly matched, restoring the engine's designed output and extending service life.
Part Details
| Part Number | 5000207778 |
|---|---|
| Old Part Number | 0207778 |
| 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.
