The Wacker Neuson Ring Set.020 O.S. is a genuine OEM oversize piston ring set designed for the PT3V 75mm/3-inch Centrifugal Trash Pump series. As a direct Wacker Neuson OEM component, part is manufactured to the same specifications as the original rings installed at the factory, ensuring a correct fit in the engine bore without guesswork. This.020-inch oversize set is intended for use during engine rebuilds where the cylinder has been bored out to restore a worn or damaged bore to proper tolerances. Confirming your PT3V machine number against the compatible models before ordering is always recommended to ensure an exact match.
Key Features
- OEM-Grade Metallurgy — Manufactured to Wacker Neuson's original material and hardness standards for piston rings, supporting correct ring seal and controlled oil consumption in the rebuilt engine.
- Oversize .020-Inch Specification — Sized specifically for cylinders bored 0.020 inches over standard diameter, making this the correct ring set to pair with a machine shop rebore — not a standard-bore replacement.
- Direct Fitment for PT3V Trash Pumps — Confirmed compatible with PT3V 75mm/3-inch Centrifugal Trash Pump models, allowing drop-in installation alongside a matching oversize piston.
- Restores Engine Compression — Worn or broken piston rings cause loss of compression, excessive oil burning, and reduced pump output. A fresh ring set re-establishes the combustion seal needed for full engine power.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part number 5000152644 carries the same part number used by authorized service centers, so you know you are getting the correct component.
Piston rings seal the gap between the piston and the cylinder wall, maintaining compression in the combustion chamber and preventing oil from entering the combustion space. In a trash pump engine like those found in the PT3V series, proper ring seal is critical to delivering the power needed to move water and debris efficiently. When rings wear, lose tension, or break, the engine loses compression, burns oil, and produces significantly less power — symptoms that often indicate a full engine rebuild is needed, including boring the cylinder and fitting an oversize ring set like the 5000152644.
Part Details
| Part Number | 5000152644 |
|---|---|
| Old Part Number | 0152644 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ring Set .020 O.S. |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000009102, 5000009241 |
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.
Wacker Neuson