The Wacker Neuson Vibration Valve Lower is a genuine OEM component designed for the WPP1540, WPP1550, and WPU1550 series reversible plate compactors. Sourced directly from Wacker Neuson, this part meets the exact engineering specification of the original, ensuring it installs and seals correctly within the exciter housing. It is also confirmed to fit the broader Reversible Plates series including WPP1540A, WPP1540W, WPP1550A, WPP1550W, WPU1550A, and their variant builds. When the vibration valve wears or fails, compaction force drops and the machine's directional control becomes unpredictable — replacing it with a genuine OEM part restores the system to full operating condition.
Key Features
- Genuine OEM Hydraulic Sealing Integrity — Manufactured to Wacker Neuson's original pressure and flow tolerances for the exciter circuit, so the valve seats and seals exactly as the original did.
- Direct Drop-In Replacement — Matches the original mounting interface and port geometry of the lower vibration valve position, fitting into the exciter assembly without modification.
- Broad Series Fitment — Compatible with WPP1540A, WPP1540W, WPP1550A, WPP1550W, WPU1550A, and WPU1550Aw reversible plate compactors, covering a wide range of Wacker Neuson's reversible plate lineup.
- Restored Compaction Performance — A correctly functioning lower vibration valve maintains proper exciter pressure, delivering consistent vibration amplitude and reliable forward/reverse plate movement.
- Operational Safety Compliance — The vibration valve directly governs directional control of the plate; using a genuine OEM part ensures the machine responds predictably and safely under load.
The vibration valve lower is a hydraulic control component housed within the exciter unit of a reversible plate compactor. It regulates the flow of hydraulic fluid inside the exciter, which in turn controls the direction and intensity of the plate's vibration and its forward or reverse travel. When this valve wears, corrodes, or becomes damaged, operators typically notice a loss of compaction force, erratic directional behavior, or an inability to reverse — all of which signal that the valve is no longer holding or directing pressure correctly.
Part Details
| Part Number | 5000400347 |
|---|---|
| Old Part Number | 0400347 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Vibration Valve Lower |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WPU1550A | WPU1550A | 5000630033 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550A | WPP1550A | 5000630029 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
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.
