The Wacker Neuson Piston Ring Set is a genuine OEM component designed for the PT3A 75mm/3-inch centrifugal trash pump series and the GV3800 portable generator. As a direct factory replacement, this set restores proper piston-to-cylinder sealing and brings the engine back to correct operating tolerances. It is the same set installed at the factory, ensuring a consistent, accurate fit within the engine bore. Whether you are overhauling a pump engine on a demanding jobsite or servicing a generator, the is the correct part to specify.
Key Features
- Factory-Matched Compression Sealing — Manufactured to OEM tolerances for correct ring gap, tension, and cylinder wall contact — critical for restoring full compression and oil control in small gasoline engines.
- Direct Engine Replacement — Drops into the existing piston and cylinder bore without modification, maintaining the correct stack height and ring groove engagement.
- Broad Fitment Across PT3A and GV3800 — Compatible with the PT3A 75mm/3-inch centrifugal trash pump and the GV3800 portable generator, covering multiple machine configurations within those families.
- Restores Engine Power and Fuel Efficiency — Worn or broken rings cause blow-by, loss of compression, and excessive oil consumption; a fresh ring set returns the engine to rated output and normal fuel burn.
- Genuine OEM Assurance — Sourced directly from Wacker Neuson, this set carries the same part number and material specification as the original components, so engine performance meets the original design intent.
Piston rings form a dynamic seal between the piston and the cylinder wall, serving two functions: they keep combustion gases above the piston where they generate power, and they control the thin film of oil on the cylinder wall so it lubricates without burning. When rings wear, lose tension, or break, combustion gases leak down into the crankcase — a condition called blow-by — causing a loss of compression, increased oil consumption, and a noticeable drop in engine power. Replacing a worn ring set is one of the most effective engine overhaul steps you can perform, returning the engine to the compression and output levels it was designed to produce.
Part Details
| Part Number | 5200001249 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800 |
| Value Portable Generator | GV3800 | 5000620994 |
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.
