The Wacker Neuson Exhaust Valve is a genuine OEM component designed for the D4000 diesel power unit and the L5000/225 ISO and L5000/225 ANSI series. Sourced directly from Wacker Neuson, this is the same part built to the original engineering specification for these machines. It installs as a direct replacement in the cylinder head, with no adaptation needed to match the original valve seat and guide configuration. Whether you're servicing a D4000 internal vibrator power unit or an L5000/225 unit in either ISO or ANSI configuration, part number is the correct OEM choice.
Key Features
- OEM Valve Geometry — Manufactured to the original head angle and stem dimensions, ensuring correct seating and combustion sealing in the cylinder head.
- Direct Head Replacement — Drops into the existing valve guide and seat without machining or fitment adjustment, matching the original valve's profile exactly.
- Broad Series Coverage — Compatible with the D4000 diesel power unit and both L5000/225 ISO and L5000/225 ANSI configurations under a single part number.
- Combustion Integrity Restored — A worn or burned exhaust valve allows compression loss and exhaust blowback; replacing it restores full engine output and consistent power delivery.
- Emission and Combustion Safety — A properly sealing exhaust valve prevents unburned gases from escaping into the valve train, protecting surrounding components and maintaining safe exhaust routing.
The exhaust valve controls the release of burned combustion gases from the cylinder on each exhaust stroke. It opens to allow those gases to exit through the exhaust port and closes tightly to seal the combustion chamber during compression and power strokes. When an exhaust valve wears, burns, or fails to seat correctly, compression drops, engine power falls off, and the machine may run rough or fail to start reliably — issues that worsen quickly under continuous load in concrete consolidation applications.
Part Details
| Part Number | 5000206204 |
|---|---|
| Old Part Number | 0206204 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
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.
