The Wacker Neuson Piston Set is a genuine OEM component designed for the WP1550RW and WP1550R vibratory plate compactors and the PT2R centrifugal trash pump series. As a direct OEM replacement, this piston set is manufactured to the same specifications as the original part, ensuring a correct fit within the engine assembly. Compatible across multiple Wacker Neuson platforms, part number is a dependable choice for operators looking to restore full engine performance. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Engine Tolerances — Manufactured to exact bore and compression specifications, maintaining proper cylinder seal and combustion efficiency for the engine type used across these Wacker Neuson models.
- Direct-Fit Engine Replacement — Engineered to install into the existing cylinder bore without modification, aligning with factory connecting rod and ring specifications.
- Broad Wacker Neuson Compatibility — Fits the WP1550RW and WP1550R 15 kN vibratory plate compactors as well as the PT2R 50mm/2in centrifugal trash pump series.
- Restores Full Power Output — A worn or scored piston reduces compression and engine power; replacing with 5000118030 restores the engine's ability to deliver consistent operating performance across compaction and pumping cycles.
- Fuel System Integrity — Correct piston fit maintains proper compression ratios, supporting efficient fuel combustion and preventing excessive oil consumption or blow-by that can damage downstream engine components.
The piston is a core reciprocating component inside the engine cylinder, converting the force of combustion into the mechanical motion that drives the machine. It works in tandem with the piston rings to seal combustion gases above and control oil below, maintaining the compression needed for reliable engine starts and consistent power delivery. When a piston wears, becomes scored, or loses its seating integrity, the result is reduced compression, increased oil burn, rough running, and — if left unaddressed — potential engine failure.
Part Details
| Part Number | 5000118030 |
|---|---|
| Old Part Number | 0118030 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550RW | 5000007578 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550R | 5000007581 |
| 50mm/2in Centrifugal Trash Pum p | PT2R | 5000007160, 5000006790 |
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.