The Wacker Neuson Piston is a genuine OEM component designed for a range of Wacker Neuson BFS gasoline floor saws, BPU reversible vibratory plate compactors, and GV portable generators. Sourced directly from Wacker Neuson, this piston meets the exact engineering tolerances required by each compatible machine. Confirmed fitment spans the BFS 80, BFS 914AB, BFS 935A, BFS 935AB, BFS 935AL, BFS 940A, BPU 2950A, BPU 3050A, BPU 3545A, GV5000A, and GV5003A — making a high-demand service part across multiple product families. When a worn or damaged piston is holding your machine back, replacing it with the correct OEM part gets you back to full compression and consistent power output.
Key Features
- OEM Compression Tolerances — Manufactured to Wacker Neuson's exact bore dimensions and ring-groove specifications, ensuring full compression restoration on reassembly.
- Drop-In Engine Replacement — Engineered to install directly into the existing cylinder bore across all compatible models with no machining or fitment adjustment needed.
- Broad Cross-Family Fitment — A single part number covers BFS floor saws, BPU reversible vibratory plates, and GV portable generators, simplifying parts inventory for mixed fleets.
- Restores Full Power Output — A correctly seated piston maintains cylinder pressure, delivering consistent engine performance and preventing the power loss and excessive fuel consumption caused by a worn or scored piston.
- Genuine Wacker Neuson OEM Quality — Supplied as an authorized Wacker Neuson part, ensuring material grade and dimensional accuracy match the original component your machine was built with.
The piston is the reciprocating heart of a four-stroke small engine — it converts the force of combustion into the crankshaft rotation that powers the machine. It travels up and down inside the cylinder bore, compressing the air-fuel mixture on the upstroke and transmitting the explosive downstroke force to the connecting rod. When a piston wears, scores, or cracks, compression drops, engine power falls off noticeably, oil consumption rises, and the machine may become difficult or impossible to start. Replacing the piston with a correctly dimensioned OEM part like the 5000084648 restores proper cylinder sealing and returns the engine to its designed power and efficiency.
Part Details
| Part Number | 5000084648 |
|---|---|
| Old Part Number | 0084648 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS 935A SAW,BASIC | BFS 935AB | 5000008910 |
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| Gasoline Floor Saw, Ø 350 | BFS 80 | 5000006654 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| 50Hz Portable Value Generator | GV5003A | 5000009352, 5000009357 |
| Vibration Plate BPU 2950A WSM | BPU 2950A | 5000007873, 5000007962 |
| BPU 3050A | BPU 3050A | 5000008763 |
| 50Hz Portable Value Generator | GV5000A | 5000009356 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327 |
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.