The Wacker Neuson Piston Complete is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator and L5000/225 series units in both ISO and ANSI configurations. As a factory-sourced assembly, this Piston Complete is manufactured to the same specifications as the original part, ensuring a direct, like-for-like installation in your Wacker Neuson equipment. Confirmed fitment spans the D4000, L5000/225 ISO, and L5000/225 ANSI platforms, making the correct choice for operators running any of these machines. Ordering by part number eliminates guesswork and keeps your equipment running on components built for it.
Key Features
- OEM-Matched Compression Tolerances — Manufactured to exact bore and ring-groove dimensions, ensuring proper compression seal and combustion efficiency specific to this engine family.
- Complete Piston Assembly — Supplied as a full Piston Complete unit, simplifying installation and eliminating the need to source individual sub-components separately.
- Broad Platform Fitment — Confirmed for the D4000 Diesel Power Unit for Internal Vibrator and L5000/225 units in both ISO and ANSI configurations.
- Sustained Engine Output — A correctly seated piston maintains cylinder pressure and power delivery; a worn or damaged piston leads to loss of compression, excessive oil consumption, and engine failure.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this part carries the same quality and material grade as the component originally installed at the factory.
The piston is a core reciprocating component within the engine cylinder, converting combustion pressure into the mechanical force that drives the power unit. It works in conjunction with the piston rings and connecting rod to maintain a proper seal against the cylinder wall, ensuring efficient fuel combustion and consistent power output. When a piston wears, cracks, or loses its ring seal, the engine will suffer from reduced compression, increased blow-by, oil burning, and ultimately a loss of usable power — making timely replacement with a correctly specified part essential to restoring full operation.
Part Details
| Part Number | 5000206144 |
|---|---|
| Old Part Number | 0206144 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston 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.
