The Wacker Neuson is a genuine OEM Piston Ring Set 0.25 designed for PT3A series 75mm/3-inch centrifugal trash pumps and GP3800A series portable generators. As a direct Wacker Neuson OEM part, the is manufactured to the same tolerances as the original rings, ensuring correct bore fit for 0.25mm oversize cylinder applications. This set covers multiple PT3A and GP3800A configurations, making it the right call for any engine rebuild or overhaul on these machines. Verify your cylinder bore measurement before ordering to confirm the 0.25 oversize specification matches your application.
Key Features
- OEM-Spec Ring Geometry — Rings are manufactured to the exact radial thickness, axial height, and gap tolerances required for the shared engine platform used across PT3A and GP3800A units, ensuring proper compression seal against the cylinder wall.
- 0.25mm Oversize Designation — Sized specifically for cylinders that have been bored 0.25mm over standard, this set installs directly into a properly prepared oversize bore without secondary modification.
- Broad Fitment Across Two Machine Families — Compatible with PT3A centrifugal trash pumps and GP3800A portable generators, including premium and wheel-kit variants, covering a wide range of serial configurations.
- Compression and Oil Control Restored — A fresh ring set restores cylinder sealing, bringing compression back to spec and eliminating the oil burning and power loss that worn or broken rings cause.
- Engine Rebuild Confidence — Sourced directly from Wacker Neuson, this genuine OEM set ensures the rebuilt engine performs as it did from the factory — critical when pump output or generator power delivery is on the line.
Piston rings seal the combustion chamber between the piston and the cylinder wall, maintaining compression during the power stroke while also controlling oil consumption by scraping excess oil back down the cylinder bore. When rings wear, lose tension, or break, compression drops, fuel efficiency suffers, and oil begins burning — symptoms that show up as hard starting, loss of pump output or generator load capacity, and visible exhaust smoke. Replacing the ring set as part of an overhaul restores the engine's ability to build and hold the compression needed for reliable, full-power operation.
Part Details
| Part Number | 5000162619 |
|---|---|
| Old Part Number | 0162619 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set 0.25 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3A | PT3A | 5000009101, 5000009240, 5000009098, 5000620800 |
| Portable Generator | GP3800A | 5000620104, 5000620041, 5000620103, 5000620010, 5000620379, 5000620485 |
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.
