The Wacker Neuson Exhaust Valve Seat is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator and the L5000/225 series in both ISO and ANSI configurations. Sourced directly from Wacker Neuson, this part is manufactured to the same specifications as the original, ensuring a drop-in replacement with no guesswork on fit or function. It is compatible across the D4000, L5000/225 ISO, and L5000/225 ANSI model lines, making it a go-to solution for technicians servicing these units in the field or shop.
Key Features
- OEM-Grade Sealing Surface: — Machined to exact hardness and profile specs for the exhaust port, ensuring full valve contact and consistent sealing performance over the engine's service life.
- Direct-Fit Installation: — Matches the original seat dimensions and press-fit tolerances, dropping straight into the cylinder head without recutting or shimming.
- Broad Model Coverage: — Fits the D4000 Diesel Power Unit for Internal Vibrator and the L5000/225 in both ISO and ANSI variants, covering multiple machine configurations with a single part number.
- Protects Exhaust Valve Integrity: — A properly seated exhaust valve seat maintains combustion chamber compression and prevents hot exhaust gases from eroding the valve face or head material.
- Genuine Wacker Neuson Part: — Carries the full Wacker Neuson OEM designation, so you can be confident the material grade and geometry match what came out of the engine originally.
The exhaust valve seat is a hardened ring pressed into the cylinder head that provides the sealing surface against which the exhaust valve closes after each combustion cycle. It controls the escape of exhaust gases and protects the softer head material from the repeated impact and heat of the closing valve. When a valve seat wears, becomes pitted, or loosens, compression drops, the engine runs poorly, and exhaust gases can leak past the valve — leading to overheating and accelerated wear of both the valve and the head itself.
Part Details
| Part Number | 5000206201 |
|---|---|
| Old Part Number | 0206201 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve Seat |
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.
