The Wacker Neuson Piston Rings Set is a genuine OEM component designed for the GV5000A and GV5003A portable generator series, as well as the BFS 914A, BFS 914AB, BFS 940, and BFS 940A floor saw series. Sourced directly from Wacker Neuson, this set delivers the exact ring dimensions and material specification required to maintain proper cylinder compression and oil control in your engine. Fitting multiple models across both the generator and floor saw lineups, the is the correct service part to have on hand when an engine rebuild or top-end overhaul is due. Verifying your model and serial number against the fitment list before ordering ensures a direct, hassle-free installation.
Key Features
- OEM Ring Geometry and Material Grade — Manufactured to Wacker Neuson's exact tolerances for ring width, gap clearance, and surface finish, ensuring consistent sealing performance across the full service life of the rings.
- Drop-In Engine Fitment — Engineered to seat correctly in the piston ring grooves of compatible engines with no re-machining or gap adjustment required beyond standard ring-fit procedure.
- Broad Model Coverage — Fits GV5000A and GV5003A portable generators and BFS 914A, BFS 914AB, BFS 940, and BFS 940A gasoline-powered floor saws, making this a single part number solution across multiple machine types.
- Sustained Compression and Oil Control — Correctly seated piston rings maintain cylinder pressure for full engine output and prevent oil from entering the combustion chamber, keeping oil consumption and exhaust smoke in check.
- Fuel System Integrity — Proper ring seal prevents blow-by gases from contaminating the crankcase, protecting both engine oil quality and downstream fuel system components from premature degradation.
Piston rings form a dynamic seal between the piston and the cylinder wall, serving two critical roles: holding combustion pressure above the piston so the engine produces full power, and scraping excess oil back down the cylinder bore to prevent it from burning. Over time, rings wear, lose tension, or develop gaps that allow combustion gases to bypass the piston — a condition known as blow-by. When this happens, the engine loses compression, burns oil, produces excessive smoke, and runs below rated output. Replacing a worn set with the correct OEM rings restores the tight cylinder seal the engine was built to operate with.
Part Details
| Part Number | 5100000363 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Rings Set |
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.
