The Wacker Neuson Piston Complete is a genuine OEM component designed for the PT3V 75mm/3-inch centrifugal trash pump and the RS800V single drum vibratory roller. As a factory-sourced assembly, it is manufactured to the exact tolerances and material specifications required by Wacker Neuson, ensuring a direct fit with no guesswork at installation. Whether you are rebuilding a pump engine or restoring a roller powerplant, this complete piston assembly delivers the dimensional accuracy your engine demands. Cross-reference your model and serial number against the fitment data before ordering to confirm compatibility.
Key Features
- Factory-Matched Tolerances — Manufactured as a genuine OEM assembly, this piston is machined to the exact bore diameter and compression height specified for Wacker Neuson engines, maintaining proper combustion chamber geometry and ring seal.
- Complete Assembly — Supplied as a Piston Complete, meaning the piston, rings, and pin are included as a ready-to-install unit — no additional sourcing of sub-components required before reassembly.
- Verified Fitment — Confirmed for the PT3V 75mm/3-inch centrifugal trash pump and the RS800V single drum vibratory roller; always verify your model number and serial number before ordering.
- Sustained Engine Output — A correctly fitted piston maintains compression and combustion efficiency; a worn or damaged piston results in power loss, excessive oil consumption, and ultimately engine failure.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part number 5000086865 meets the same production standards as the original component your machine left the factory with.
The piston is the reciprocating heart of a four-stroke engine, converting the pressure generated by combustion into the rotational force that drives the machine. It rides inside the cylinder bore and works in conjunction with piston rings to seal combustion gases above and control oil below, keeping the engine running at full compression and efficiency. When a piston wears, cracks, or seizes, compression drops sharply, the engine loses power or refuses to start, and internal damage can spread quickly to the cylinder bore and connecting rod — making timely replacement with a correctly spec'd piston assembly critical to getting the machine back to full working condition.
Part Details
| Part Number | 5000086865 |
|---|---|
| Old Part Number | 0086865 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000007171 |
| Single Drum Vibratory Roller | RS800V | 5000007187 |
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.
