The Wacker Neuson Piston is a genuine OEM component designed for the GPS9700 portable generator series, the GS9.7V portable generator, and the RD11V hydrostatic double drum vibratory roller. As a direct factory replacement, this piston is produced to the same specifications as the original part fitted at the time of manufacture. It is verified for compatibility across multiple GPS9700 configurations including EPA-compliant and premium variants, as well as the GS9.7V and RD11V machines.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact bore diameter and crown geometry specifications, ensuring correct compression ratios and proper ring seal within the cylinder.
- Direct Drop-In Replacement — Matches the original piston pin bore, skirt profile, and ring groove dimensions for straightforward installation without machine work or fitment guesswork.
- Broad Fitment Coverage — Compatible with GPS9700 generator variants, the GS9.7V portable generator, and the RD11V hydrostatic double drum vibratory roller across multiple production configurations.
- Sustained Engine Output — A correctly fitted piston maintains combustion chamber integrity, supporting full compression and consistent power delivery across the engine's operating range.
- Critical Fuel System Safety — A worn or damaged piston can cause blow-by, oil contamination, and uncontrolled combustion conditions; replacing with a genuine part restores safe engine operation.
The piston is the reciprocating component inside the engine cylinder that transfers combustion force to the crankshaft via the connecting rod. It seals the combustion chamber above and lubricates the cylinder wall below, making its dimensional integrity essential to both power output and oil control. When a piston wears, cracks, or seizes, the engine loses compression, burns oil, and can suffer catastrophic internal damage if operation continues.
Part Details
| Part Number | 5000116542 |
|---|---|
| Old Part Number | 0116542 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
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.
