The Wacker Neuson Piston Ring Set is a genuine OEM component designed for RD7Ye, RD7Yehf, RD7Yeh, RD7Yehfb, and RD10Yehf series walk-behind tandem rollers. Sourced directly from Wacker Neuson, this piston ring set meets the exact material and dimensional specifications of the original factory part. Confirmed fitment spans the full RD7Ye and RD10Yehf roller families, covering both LRC and HRC configurations, so you can order with confidence knowing is the correct replacement for your machine.
Key Features
- Genuine OEM Ring Geometry — Manufactured to Wacker Neuson's original ring profile specifications, ensuring correct compression, oil control, and ring-to-bore clearance for this engine application.
- Direct Drop-In Replacement — Matches the original ring set dimensions exactly, fitting the piston grooves without modification and seating properly against the cylinder wall on reassembly.
- Broad RD Series Compatibility — Fits RD7Ye, RD7Yehf, RD7Yeh, RD7Yehfb, and RD10Yehf walk-behind tandem rollers across LRC and HRC variants.
- Restores Full Compression — Worn or broken rings allow combustion gases to bypass the piston, robbing the engine of power and increasing oil consumption. A fresh ring set brings compression back to spec and stabilizes engine output.
- Extended Engine Service Life — Correct ring sealing reduces blow-by, keeps combustion byproducts out of the crankcase, and protects bearing and oil system components over the long term.
Piston rings form the dynamic seal between the piston and the cylinder wall, doing three critical jobs: containing combustion pressure to drive the piston downward, scraping excess oil back into the crankcase, and transferring heat from the piston into the cylinder bore. When rings wear, lose tension, or break, compression drops, oil burns off faster, and exhaust smoke increases — all signs the engine is working harder than it should. Replacing the ring set with a genuine OEM part like the Wacker Neuson 5100031874 restores proper sealing and gets the engine running cleanly again.
Part Details
| Part Number | 5100031874 |
|---|---|
| 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.
