The Wacker Neuson Piston is a genuine OEM component designed for the WP1550RW and WP1550R vibratory plate compactors and the PT2R centrifugal trash pump. As a direct OEM part, it is manufactured to the same specifications as the original, ensuring a correct fit within the engine assembly it serves. This part is compatible across both the WP1550 plate compactor series and PT2R pump models, making it a versatile service item to have on hand for fleets running this engine platform. Verify your machine's model and serial number against the fitment data before ordering to confirm compatibility.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact bore diameter and crown profile tolerances, ensuring proper compression and seal against the cylinder wall.
- Direct Engine Assembly Fit — Drops into the existing cylinder bore without machining or modification, mating correctly with the connecting rod and rings already installed in the engine.
- Cross-Platform Fitment — Compatible with WP1550RW and WP1550R 15 kN vibratory plate compactors and PT2R 50mm/2in centrifugal trash pumps sharing the same engine platform.
- Restored Compression and Power Output — A worn or scored piston causes loss of compression, hard starting, and reduced power; replacing it restores the engine's ability to deliver full rated output.
- Fuel System Integrity — A correctly fitted piston maintains the combustion seal that keeps the air/fuel mixture from bypassing into the crankcase, protecting engine longevity and fuel efficiency.
The piston is the reciprocating component inside the engine cylinder that converts combustion pressure into mechanical force, driving the crankshaft and ultimately powering the machine. It works in conjunction with piston rings to seal combustion gases above and control oil below, maintaining the compression ratio the engine depends on for reliable starting and full power. When a piston wears, becomes scored, or cracks, compression drops, oil consumption increases, and the engine will lose power or fail to start — making timely replacement critical to keeping the machine operational.
Part Details
| Part Number | 5000084327 |
|---|---|
| Old Part Number | 0084327 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
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.
