The Wacker Neuson Piston is a genuine OEM component designed for BFS gasoline floor saws, BPU reversible vibratory plate compactors, and GV portable generator models including the BFS 935A, BFS 935AB, BFS 935AL, BFS 940A, BFS 914AB, BFS 80, BPU 2950A, BPU 3050A, BPU 3545A, GV5000A, and GV5003A. As a factory-sourced part, the meets the exact dimensional and metallurgical specifications set by Wacker Neuson, ensuring proper fit within the engine bore without adjustment. This piston is the right call when rebuilding or overhauling an engine suffering from compression loss, excessive oil consumption, or worn cylinder walls. Keeping the correct part number on hand means less time waiting on the engine and more time on the job.
Key Features
- OEM Dimensional Accuracy — Manufactured to Wacker Neuson's exact bore diameter and skirt geometry, ensuring proper ring seal and compression retention across the engine's operating range.
- Drop-In Engine Replacement — Designed to install directly into the existing cylinder bore on compatible models, maintaining correct piston-to-wall clearance without machining or shimming.
- Broad Multi-Family Fitment — Verified for BFS floor saw, BPU reversible vibratory plate, and GV portable generator families, covering a wide range of Wacker Neuson equipment built around the same engine platform.
- Compression and Power Restoration — A worn or scored piston causes loss of compression, hard starting, and increased fuel consumption; replacing with a genuine piston restores full engine output and smooth operation.
- Fuel System Integrity — Correct piston fit maintains the combustion seal that prevents blow-by and oil contamination of the fuel charge, protecting downstream engine components from accelerated wear.
The piston is the reciprocating heart of a four-stroke gasoline engine — it travels up and down inside the cylinder bore to compress the air-fuel mixture, transfer combustion force to the crankshaft via the connecting rod, and seal the combustion chamber from the crankcase below. When a piston becomes worn, scored, or cracked, the engine loses compression, produces less power, burns oil, and may fail to start reliably. Replacing a damaged piston with a correctly sized OEM part restores the tight bore-to-piston clearance the engine needs to run efficiently and last through heavy use on the worksite.
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.
