The Wacker Neuson Set Piston Rings is a genuine OEM Set Piston Rings designed for the GV5000A and GV5003A portable generator series and the BFS 914A, BFS 914AB, and BFS 940A petrol floor saw series. As a direct OEM part sourced through authorized Wacker Neuson supply channels, is manufactured to the same specification as the rings originally fitted at the factory. This set covers a wide range of compatible machines across both the generator and floor saw lineups, making it the correct choice whether you are servicing a portable generator or a gasoline-powered floor saw. Verify your model number before ordering to confirm this set is the right fit for your specific unit.
Key Features
- OEM Ring Geometry and Material Grade — Cast and finished to the original bore diameter, ring width, and gap tolerances specified by Wacker Neuson, ensuring correct compression sealing from the first start.
- Drop-In Installation — Rings are sized to seat directly into the original ring grooves on the OEM piston — no filing, fitting, or machining required before assembly.
- Broad Model Coverage — A single set covers GV5000A and GV5003A portable generators as well as BFS 914A, BFS 914AB, BFS 940, and BFS 940A floor saws across multiple serial number ranges.
- Compression and Oil Control Restored — A fresh set of piston rings returns cylinder compression to specification, correcting power loss, excessive oil consumption, and hard-starting caused by worn or broken rings.
- Fuel System Safety Relevance — Correctly seated piston rings prevent blow-by gases from pressurizing the crankcase, which can force fuel-contaminated vapors past seals — an important consideration on gasoline-powered equipment.
Piston rings form the dynamic seal between the piston and the cylinder wall inside a small gasoline engine. They serve two purposes: compression rings hold combustion pressure above the piston to generate power, while the oil control ring scrapes excess lubricant back down the cylinder wall to prevent oil burning. When rings wear, crack, or lose tension, compression drops, the engine loses power, consumes more fuel, and begins burning oil — symptoms that worsen quickly if left unaddressed. Replacing the full set with a genuine OEM Set Piston Rings like the Wacker Neuson 5100000359 restores the engine to its designed compression ratio and oil consumption levels, extending the service life of the cylinder and piston assembly.
Part Details
| Part Number | 5100000359 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Set Piston Rings |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GV5000A | GV5000A | 5000009346, 5000009351, 5000009361, 5100006204 |
| 50Hz Portable Value Generator | GV5003A | 5000009347, 5000009362, 5100002154 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327, 5100004004 |
| Floor Saw | BFS 914A | 5100004002 |
| Floor saw BFS940 | BFS 940 | 5100009934 |
| BFS940 | BFS940 | 5100029229 |
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.
