The Wacker Neuson Piston Rings Set is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including PT3 trash pumps, BFS and BFSX floor saws, BPU 3050 reversible vibratory plates, and GPi4300 and GPSi4300 portable inverter generators. As a direct OEM replacement, this set is manufactured to the exact tolerances required by the original engine assembly, ensuring correct ring gap, compression seal, and oil control performance. Fitment covers multiple production variants across the BFS 914, BFS 935, BFS 940W, BFS 90R, BFSX 90R, BFS16, and BFSX16 floor saw lines, as well as the PT3 pump and the GPi4300 and GPSi4300 generator series. When it's time for an engine rebuild or top-end service, part number is the correct choice to restore compression and engine efficiency to original specification.
Key Features
- OEM-Matched Ring Tolerances — Manufactured to the exact ring gap and radial wall thickness specs of the original engine build, ensuring proper compression sealing and oil control from the first start.
- Drop-In Engine Rebuild Fit — Engineered to seat correctly in the original piston grooves without machining or modification, making top-end service straightforward for experienced technicians.
- Broad Cross-Family Fitment — A single part number covers PT3 trash pumps, BFS and BFSX floor saw variants, BPU 3050 reversible vibratory plates, and GPi4300 and GPSi4300 inverter generators.
- Compression Restoration — Worn or broken piston rings are a leading cause of power loss, excessive oil consumption, and hard starting; replacing with 5000205301 restores cylinder pressure and engine output.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this set carries the same part number used by authorized service centers for engine rebuilds and scheduled overhauls.
Piston rings form the dynamic seal between the piston and the cylinder wall, controlling combustion pressure and regulating oil consumption within the engine. There are typically multiple rings per piston — compression rings that hold combustion gases above the piston and oil control rings that scrape excess oil back down the cylinder bore. When rings wear, lose tension, or break, combustion pressure escapes past the piston, causing noticeable power loss, increased fuel consumption, blue exhaust smoke, and fouled spark plugs. Replacing a worn set with the correct OEM rings restores the engine's compression ratio and allows it to run cleanly and efficiently, which is critical in high-cycle equipment like floor saws, pumps, and generators that operate under sustained load.
Part Details
| Part Number | 5000205301 |
|---|---|
| Old Part Number | 0205301 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Rings Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3 Pump | PT3 | 5000009321 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Floor Saw | BFS16 | 5000630098 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
| Floor Saw | BFS 914W | 5100004003 |
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.