The Wacker Neuson Exhaust Valve is a genuine OEM component designed for the B 3000 gasoline power unit and PD3B 75mm/3in diaphragm pump. As a direct Wacker Neuson OEM part, the is manufactured to the same specification as the original, ensuring a consistent, correct fit within the engine's valvetrain. This exhaust valve is a verified replacement for equipment operators who need a dependable, like-for-like part to restore full engine performance.
Key Features
- Genuine OEM Valve Specification — Manufactured to Wacker Neuson's original stem diameter, head geometry, and metallurgical hardness spec for correct seating and sealing in the cylinder head.
- Direct Drop-In Replacement — Engineered to install into the existing valve guide and seat without alteration, matching the original valve timing profile.
- Confirmed Fitment — Verified for the B 3000 gasoline power unit (for internal vibrators) and the PD3B 75mm/3in diaphragm pump.
- Restores Full Combustion Efficiency — A worn or burnt exhaust valve allows combustion gases to bypass the seat, causing loss of compression, rough running, and hard starts; a fresh OEM valve seals the port completely and restores normal power output.
- Heat and Wear Resistance — Exhaust valves operate at extreme temperatures on every cycle; the OEM material grade is selected specifically to withstand the thermal and mechanical demands of the Wacker Neuson engine application.
The exhaust valve is a precision engine component that opens and closes on every combustion cycle to release spent exhaust gases from the cylinder. It must seal completely during compression and combustion to maintain cylinder pressure, and open at exactly the right moment to allow gases to escape. When an exhaust valve wears, burns, or loses its seating surface, compression drops, fuel efficiency suffers, and the engine may become difficult to start or run unevenly. Replacing a faulty exhaust valve with a correct OEM part like the Wacker Neuson 5000039303 is essential to restoring the engine to its intended operating condition.
Part Details
| Part Number | 5000039303 |
|---|---|
| Old Part Number | 0039303 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Gasoline Power Unit for Intern al Vibrator | B 3000 | 5000005829 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.
