The Wacker Neuson Piston Ring Set is a genuine OEM component designed for the G40, G50, G60, G70, G95, and G110 portable generator series. As a direct OEM replacement, this set is manufactured to the exact tolerances required by the engine, ensuring proper sealing between the piston and cylinder wall. Sourced directly from Wacker Neuson, part number gives you confidence that you're installing the right rings the first time. It covers an extensive range of GP generator configurations across standard and 50Hz regional variants.
Key Features
- OEM Compression Tolerancing — Manufactured to exact bore and groove dimensions, ensuring full sealing contact with the cylinder wall and consistent compression across all firing cycles.
- Drop-In Engine Fit — Engineered to seat directly into the original piston ring grooves without reworking or resizing, making engine rebuilds straightforward.
- Broad Generator Series Coverage — Fits G40, G50, G60, G70, G95, and G110 mobile generators, including 50Hz LATAM Premium and Brazil variants, consolidating service inventory across your fleet.
- Restored Engine Output — Worn or broken piston rings cause blow-by, oil consumption, and loss of power output; a fresh ring set restores proper compression and generator load capacity.
- Fuel Efficiency Protection — Correctly seated rings maintain the combustion seal that keeps fuel burn efficient — degraded rings allow unburned fuel past the piston, increasing consumption and exhaust emissions.
Piston rings form the dynamic seal between the piston and the inner cylinder wall inside the engine. They serve three functions simultaneously: sealing combustion gases above the piston to preserve compression, scraping excess oil from the cylinder wall to prevent oil burning, and transferring heat from the piston into the cylinder. When rings wear, chip, or lose tension, combustion pressure escapes past the piston — a condition known as blow-by — which causes rough running, reduced electrical output, elevated oil consumption, and visible exhaust smoke. Replacing the piston ring set at the correct service interval is one of the most effective ways to extend engine service life and keep a generator delivering its rated power output.
Part Details
| Part Number | 5200021214 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200016642, 5200020677, 5100029186 |
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909 |
| G110 Generator, Brazil, Value | G110 | 5100022042, 5100022043 |
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.
