The Wacker Neuson Piston Ring Set is a genuine OEM component designed for PT3Y series 75mm/3-inch centrifugal trash pumps. Sourced directly from Wacker Neuson, this ring set is manufactured to the exact tolerances required for proper cylinder sealing and compression in the PT3Y engine. It is a direct replacement for pumps running under part configurations PT3Y_5000007118 and PT3Y_5000007119. When your pump begins showing signs of worn rings — such as oil consumption, reduced compression, or blue exhaust smoke — this set delivers a straightforward path back to full operating performance.
Key Features
- OEM Compression Tolerancing: — Machined to Wacker Neuson's exact ring gap and wall thickness specifications, ensuring proper cylinder seal and consistent combustion pressure.
- Drop-In Engine Fitment: — Engineered to seat correctly in the piston grooves of PT3Y engines without modification, making engine rebuild or top-end service straightforward.
- PT3Y Series Compatibility: — Confirmed fit for PT3Y 75mm/3-inch centrifugal trash pump models, covering both 5000007118 and 5000007119 configurations.
- Restored Engine Output: — Worn or broken piston rings allow combustion gases to bypass the piston, robbing the engine of power and reducing pump discharge performance. A fresh ring set restores compression and brings output back to spec.
- Genuine OEM Assurance: — As an authentic Wacker Neuson part, the 5000085547 meets the same material and dimensional standards as the rings installed at the factory, giving you confidence in the rebuild.
Piston rings form the dynamic seal between the piston and the cylinder wall, keeping combustion pressure above the piston where it generates power and preventing engine oil from entering the combustion chamber. In a trash pump engine like those found in the PT3Y series, rings are subject to continuous heat cycling and load, causing them to wear gradually over time. When ring seal is lost, the engine loses compression, burns oil, and struggles to deliver the flow rates the pump was built for — making timely ring replacement a critical part of any top-end service or engine rebuild.
Part Details
| Part Number | 5000085547 |
|---|---|
| Old Part Number | 0085547 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3Y | 5000007118, 5000007119 |
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.