The Wacker Neuson Piston is a genuine OEM Piston designed for the GV7000A and GV7003A portable generator series as well as the RD7Af HRC and RD7Afb HRC vibratory compactors. Sourced directly from Wacker Neuson, this is the exact part built to the same specification as the original component installed at the factory. Confirmed fitment spans multiple machine configurations across the GV7000A, GV7003A, RD7Af HRC, and RD7Afb HRC lines, making the correct choice when you need to verify you are ordering the right part the first time.
Key Features
- OEM Dimensional Accuracy — Manufactured to exact bore diameter and compression height tolerances, ensuring proper ring seal and combustion efficiency in the cylinder.
- Drop-In Installation — Matches the original piston profile and wrist pin dimensions, so it installs directly without machining or adaptation.
- Broad Fitment Coverage — Fits GV7000A and GV7003A portable generators and RD7Af HRC and RD7Afb HRC vibratory compactors across multiple serial configurations.
- Sustained Power Output — A correctly fitted piston maintains compression and combustion integrity, keeping your engine producing full rated power under load.
- Fuel System Safety Compliance — As a genuine OEM component, this piston meets Wacker Neuson's original clearance and material specifications, which is critical for maintaining safe combustion chamber pressures.
The piston is the engine's primary moving component, traveling up and down inside the cylinder bore to compress the air-fuel mixture and transfer combustion force to the crankshaft. It works in concert with the piston rings to maintain a gas-tight seal, which directly controls compression pressure and engine efficiency. When a piston wears, cracks, or loses its ring seal, the engine will suffer a noticeable loss of compression, increased oil consumption, hard starting, and reduced power output — all of which can lead to complete engine failure if left unaddressed.
Part Details
| Part Number | 5100000372 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GV7000A | GV7000A | 5000009348, 5000009353, 5100006205 |
| 50Hz Portable Value Generator | GV7003A | 5000009349, 5000009364, 5100002155 |
| RD7Af HRC | RD7Af HRC | 5100006342 |
| RD7Afb HRC | RD7Afb HRC | 5100006347 |
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.
