The Wacker Neuson Oil Switch is a genuine OEM component designed for RD7Ye, RD7Yeh LRC, RD7Yehf LRC, RD7Yehfb LRC, and RD10Yehf LRC series walk-behind tandem rollers. Sourced directly from Wacker Neuson, this part carries the same specifications and materials as the original, ensuring a direct fit without guesswork. Whether you're servicing a high-cycle rental fleet or keeping a single machine running on site, using the correct OEM Oil Switch protects both the engine and your investment.
Key Features
- OEM-Matched Switching Threshold — Genuine Wacker Neuson manufacture means the pressure trip point matches the original engine protection specification exactly, so the switch activates at the correct oil pressure level — not too early, not too late.
- Direct Plug-In Replacement — Threads and connector interface are identical to the original, allowing the 5100031890 to seat and wire in the same position as the part it replaces.
- Broad RD Series Compatibility — Confirmed fitment across the RD7Ye Tandem Roller, RD7Yeh LRC, RD7Yehf LRC, RD7Yehfb LRC, and RD10Yehf LRC, covering multiple configurations within the walk-behind roller lineup.
- Engine Protection You Can Count On — A correctly functioning oil switch shuts down the engine before low-pressure conditions cause internal damage; a failed switch leaves the engine running unprotected and vulnerable to costly wear.
- Electrical Safety Compliance — As a shutdown-circuit component, using the genuine OEM part ensures the protective cutoff circuit operates within the designed electrical parameters, maintaining the integrity of the machine's safety interlock system.
An oil switch monitors engine oil pressure and sends a signal to cut power to the engine if pressure drops below a safe operating level. On compact walk-behind rollers like the RD7Ye and RD10Yehf LRC series, this protection is critical — low oil pressure that goes unchecked can lead to rapid internal engine failure. When the switch fails or reads incorrectly, the engine either shuts down unnecessarily, interrupting work, or fails to shut down when it should, leaving the engine exposed to serious damage.
Part Details
| Part Number | 5100031890 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Switch |
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.
