The Wacker Neuson Piston Ring Set is a genuine OEM component designed for the RD7Ye, RD7Yehf, RD7Yehfb, RD7Yeh, and RD10Yehf series walk-behind tandem rollers. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original rings installed at the factory, ensuring a correct, confidence-inspiring fit. This set covers a broad range of RD7Ye and RD10Yehf configurations, including LRC and HRC variants, making it the right choice whether you are servicing one machine or maintaining a fleet. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- OEM Ring-to-Bore Tolerancing — Manufactured to the exact dimensions of the original rings, maintaining proper compression and oil control for the engine to perform as designed.
- Drop-In Engine Replacement — Engineered as a direct set replacement for the existing rings; no additional machining or adaptation of ring grooves required during a standard engine rebuild.
- Broad RD Series Fitment — Compatible with multiple RD7Ye, RD7Yehf, RD7Yehfb, RD7Yeh, and RD10Yehf configurations across LRC and HRC variants, covering a wide range of Wacker Neuson walk-behind tandem rollers.
- Restored Compression and Power — Worn or broken piston rings allow combustion gases to bypass the piston, robbing the engine of compression and power; a fresh ring set restores cylinder sealing and consistent output.
- Genuine Wacker Neuson Part — Supplied under part number 5100031878 directly through the Wacker Neuson OEM parts network, so you know exactly what you are installing.
Piston rings form a dynamic seal between the piston and the cylinder wall, performing two critical jobs: containing combustion pressure to drive the piston downward and scraping excess oil off the cylinder wall to prevent it from burning in the combustion chamber. When rings wear, lose tension, or break, compression drops, oil consumption rises, and the engine may produce blue smoke, run roughly, or lose the power needed to drive the roller drums effectively. Replacing a worn ring set during an engine overhaul restores cylinder sealing, brings compression back to specification, and gives the engine a reliable service life going forward.
Part Details
| Part Number | 5100031878 |
|---|---|
| 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 |
| RD7Yehf HRC | RD7Yehf HRC | 5100006337, 5100006341 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
| RD7Yeh HRC | RD7Yeh HRC | 5100006336, 5100006467 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD7Yehfb HRC | RD7Yehfb HRC | 5100006346 |
| 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.
