The Wacker Neuson Exhaust Valve is a genuine OEM exhaust valve designed for a wide range of Wacker Neuson vibratory plates and compaction equipment, including the WP1540A, WP1550A, VP1340A, VP1550A, VP2050A, and WPU1550A series. As a factory-authorized component, the is manufactured to the same tolerances and material specifications as the part it replaces, ensuring a correct fit without rework or adaptation. This valve is also compatible with select screed, roller, pump, and internal vibrator models within the Wacker Neuson lineup. When you need a dependable OEM solution to restore engine performance, the is the part specified for the job.
Key Features
- OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional specifications, delivering the same combustion-seal performance as the valve it replaces.
- Direct Drop-In Replacement — Engineered to seat and align identically to the original valve, allowing straightforward installation in the cylinder head without machining or modification.
- Broad Model Coverage — Fits a wide range of Wacker Neuson vibratory plates (WP, VP, WPU, WPP, AP series), along with select screeds, rollers, generators, and internal vibrators — confirm your model number before ordering.
- Combustion Efficiency Preserved — A correctly functioning exhaust valve maintains proper cylinder pressure and scavenging, keeping engine output and fuel consumption within design parameters.
- Emissions and Engine Safety Compliance — A worn or burnt exhaust valve can allow combustion gases to bypass the seal, increasing exhaust emissions and risking engine damage; replacing with the correct OEM part restores compliant operation.
The exhaust valve controls the release of burned exhaust gases from the engine cylinder after the combustion stroke. It opens at precisely the right moment in the engine cycle to vent spent gases, then closes to create an airtight seal for the next compression and combustion event. When an exhaust valve wears, burns, or loses its seating seal, compression drops, power output falls, and the engine may run rough, overheat, or suffer accelerated internal wear — making timely replacement critical to keeping compaction equipment performing at full capacity.
Part Details
| Part Number | 5000406685 |
|---|---|
| Old Part Number | 0406685 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009545, 5000009472, 5000630045 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009546, 5000630043, 5000009486 |
| WP1540A VIBROPLATE | WP1540A | 5000008061, 5000630017, 5000630046 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579, 5000630019, 5000630044 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054 |
| VP1340A VIBROPLATE | VP1340A | 5000009031, 5000630057 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062 |
| Single Direction Plate | VPH70 | 5000006907 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Modular Internal Vibrators | HD 3.7 | 5000006906 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| HP50A | HP50A | 5000009508 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| Single Direction Plates | AP1550A | 5000009539 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| HPG50A | HPG50A | 5000009509 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single Direction Plates | WP1550Aw | 5000630112 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| VP1550AW-CN | VP1550AW-CN | 5100055200 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| WP1540Aw | WP1540Aw US | 5100018327 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| WP1550Aw | WP1550Aw US | 5100018324 |
| WP1540A | WP1540A US | 5100018328 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| WP1550A | WP1550A US | 5100018325 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
| PT2A | PT2A | 5100058524, 5100058525, 5100042215 |
| HPG100A | HPG100A | 5000009507 |
| GP2500A | GP2500A | 5100041977 |
| PT2A(I) | PT2A(I) | 5100042613 |
| Modular Internal Vibrators | D3.5A3 | 5100072402 |
| Modular Internal Vibrators | D3.5A2 | 5100072405 |
| BT24A | BT24A | 5100081469 |
| BT36A | BT36A | 5100081470 |
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.
