The Wacker Neuson Piston Ring Set is a genuine OEM Piston Ring Set designed for the RD7Ye, RD7Yeh LRC, RD7Yehf LRC, RD7Yehfb LRC, and RD10Yehf LRC series walk-behind tandem rollers. As a direct OEM replacement, this set is manufactured to the same specifications as the original part, ensuring a correct installation with no guesswork on fitment. Sourced directly from Wacker Neuson, part is the same ring set used in production, covering multiple roller configurations across the RD7 and RD10 series. Keep this part number on hand as a scheduled service item to stay ahead of engine wear.
Key Features
- OEM Ring Geometry and Material Grade — Manufactured to the same radial wall thickness, gap tolerances, and ring material as the original, ensuring consistent sealing pressure and cylinder wall contact specific to these Wacker Neuson roller engines.
- Drop-In Engine Replacement — Designed to install directly into the existing cylinder bore on supported models without reboring or additional machining under normal service conditions.
- Broad RD Series Compatibility — Confirmed fitment across the RD7Ye, RD7Yeh LRC, RD7Yehf LRC, RD7Yehfb LRC, and RD10Yehf LRC walk-behind tandem roller lineup.
- Restored Compression and Oil Control — Worn piston rings allow combustion gases to blow past the piston and oil to enter the combustion chamber; a fresh ring set restores proper compression and prevents excessive oil consumption.
- Genuine Wacker Neuson OEM Part — Supplied as an authorized OEM assembly under part number 5100031877, eliminating any uncertainty about dimensional compatibility with the original engine components.
Piston rings form a dynamic seal between the piston and the cylinder wall, serving two critical functions: they contain combustion pressure to drive the piston downward and they scrape excess oil back down the cylinder bore to prevent it from burning in the combustion chamber. Over time, rings wear, lose tension, or become stuck with carbon deposits, which leads to lost compression, increased oil consumption, hard starting, and reduced engine power. Replacing a worn ring set with a correctly sized OEM set like the Wacker Neuson 5100031877 restores the engine's ability to generate full power and run cleanly, extending the service life of the engine assembly.
Part Details
| Part Number | 5100031877 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD10Yehf LRC | RD10Yehf LRC | 5100070502 |
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.
