The Wacker Neuson Exhaust Valve is a genuine OEM exhaust valve designed for the PG1 dewatering pump. Sourced directly from Wacker Neuson, this part meets the exact engineering specifications of the original component, ensuring a correct, trouble-free installation. If your pump is running rough, overheating, or losing compression, a worn or damaged exhaust valve is a common culprit — and this is the part built to put it right. Confirm part number against your machine's parts diagram before ordering to ensure compatibility with your specific PG1 configuration.
Key Features
- OEM Sealing Integrity — Manufactured to the original valve geometry and material grade, ensuring a gas-tight seal under operating temperature and pressure cycles typical of dewatering pump engines.
- Drop-In Engine Fitment — Engineered to seat correctly in the cylinder head without machining or shimming, matching the original valve stem diameter and head profile of the PG1 engine.
- Compatible with PG1 Dewatering Pumps — Confirmed fitment for the Wacker Neuson PG1 dewatering pump series (part number 5100031509).
- Restores Full Engine Output — A correctly seated exhaust valve maintains proper compression and combustion efficiency, allowing the pump to deliver its rated flow capacity and run at stable operating temperature.
- Exhaust System Safety — A failed or burnt exhaust valve can cause raw exhaust gases to bypass the combustion chamber, creating overheating and potential engine damage; replacing it promptly with a genuine part keeps the engine operating safely.
The exhaust valve sits in the cylinder head and opens during the exhaust stroke to allow spent combustion gases to exit the engine. It works in combination with the intake valve to control the flow of gases in and out of the combustion chamber, and a proper seal at closing is essential for maintaining compression. When an exhaust valve wears, burns, or fails to seat correctly, the engine loses compression, runs unevenly, overheats, and may be unable to sustain load — symptoms that are especially problematic in continuous-duty dewatering applications where the pump must run reliably under sustained demand.
Part Details
| Part Number | 5100031535 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Dewatering Pump | PG1 | 5100031509 |
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.