The Wacker Neuson Exhaust Valve is a genuine OEM exhaust valve designed for RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb, and RD10Yehf series walk-behind and tandem rollers. As a direct OEM replacement, this part is manufactured to the same specification as the original, ensuring a correct drop-in fit with no guesswork on compatibility. The covers an extensive range of configurations across both LRC and HRC variants, making it a versatile stock item for fleet operators and service shops running multiple Wacker Neuson roller models. Keep this valve on hand to minimize engine downtime and maintain consistent machine performance in the field.
Key Features
- OEM Sealing Integrity — Manufactured to Wacker Neuson's original valve geometry and material grade, ensuring proper combustion chamber sealing and consistent compression across the engine's service life.
- Direct Drop-In Installation — Engineered to match the original valve stem dimensions and seat profile, allowing straightforward installation without machining or additional fitting work.
- Broad Roller Compatibility — Confirmed fitment across RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb, and RD10Yehf series rollers in both LRC and HRC configurations, covering multiple production variants under a single part number.
- Sustained Engine Efficiency — A correctly functioning exhaust valve allows spent combustion gases to exit cleanly at the right moment; a worn or burned valve causes loss of compression, rough running, and increased fuel consumption.
- Emissions and Combustion Compliance — Proper exhaust valve seating is essential to maintaining correct combustion timing and emissions output — particularly relevant on compaction equipment operating under regulated jobsite conditions.
The exhaust valve is a critical component in the engine's four-stroke cycle, opening at the end of the power stroke to release burned exhaust gases from the combustion chamber before the next intake cycle begins. It works in precise coordination with the camshaft, rocker arms, and valve springs to open and close at exactly the right moment — any deviation caused by wear, burning, or improper seating leads to compression loss, reduced power output, and hard starting. A failed or leaking exhaust valve will cause the engine to run rough, overheat, and eventually lose the ability to develop sufficient compaction force, making timely replacement essential to keeping the roller productive.
Part Details
| Part Number | 5100031838 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
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.