The Wacker Neuson is a genuine OEM Standard Piston Ring Set designed for PT3A series centrifugal trash pumps and the GP3800A and GV3800A portable generator families. As a direct-from-manufacturer component, it is produced to the same tolerances and material specifications as the original rings installed at the factory, ensuring a correct fit within the engine cylinder bore. This set covers the full range of PT3A pump configurations as well as premium and value GP3800A and GV3800A generator variants, making it a versatile service part for mixed fleets. When it is time for an engine overhaul or top-end rebuild, the is the part to reach for.
Key Features
- OEM Ring-to-Bore Tolerancing — Manufactured to exact radial thickness and gap specifications so the rings seat properly against the cylinder wall and maintain correct compression from the first start.
- Standard Bore Sizing — Sized for standard (non-oversized) cylinder bores, making this set the correct choice for engines that have not been rebored or sleeved.
- Broad Fitment Across Two Machine Families — Confirmed for PT3A 75mm/3-inch centrifugal trash pumps and GP3800A and GV3800A portable generators, covering multiple serial number ranges within each line.
- Compression and Oil Control — A correctly installed ring set restores lost compression caused by worn or broken rings, preventing hard starts, excessive oil consumption, and loss of power output.
- Drop-In Engine Rebuild Component — Supplied as a complete set so all rings are replaced together during a top-end overhaul, eliminating the risk of mismatched wear between new and old rings.
Piston rings form the seal between the piston and the cylinder wall inside a small engine. They serve two functions: the compression rings hold combustion pressure above the piston so the engine produces power efficiently, while the oil control ring scrapes excess oil from the cylinder wall to prevent it from burning in the combustion chamber. When rings wear, break, or lose tension, compression drops, oil consumption rises, and the engine may smoke, idle poorly, or fail to reach its rated output. Replacing the full ring set restores the mechanical seal that keeps the engine running at the power level the PT3A pump or GP3800A and GV3800A generator was built to deliver.
Part Details
| Part Number | 5000162617 |
|---|---|
| Old Part Number | 0162617 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set Standard |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3A | PT3A | 5000009101, 5000009240, 5000009098, 5000620800 |
| Portable Generator | GP3800A | 5000620104, 5000620041, 5000620103, 5000620010, 5000620379, 5000620485 |
| Value Generator | GV3800A | 5000620409, 5000620287, 5000620334 |
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.
