The Wacker Neuson Ring Seal is a genuine OEM component designed for the WP1540A, WP1540Aw, WP1550A, and WP1550Aw series vibratory plate compactors. As a factory-sourced part, it is manufactured to the exact material and dimensional standards required by Wacker Neuson for this application. This seal is confirmed to fit multiple variants across the WP1540 and WP1550 families, including US-market, CN-market, and Sunbelt-designated models. When your existing seal begins to leak or degrade, replacing it with the correct OEM part restores proper fluid containment and keeps the machine running as intended.
Key Features
- OEM-Grade Seal Material — Manufactured from compound-specific elastomer stock that meets Wacker Neuson's compression and temperature tolerance requirements for this application — not a generic cross-reference.
- Drop-In Replacement — Profiles and dimensions match the original installation point exactly, seating without reworking the housing or mating surfaces.
- Broad WP-Series Fitment — Covers WP1540A, WP1540Aw, WP1550A, and WP1550Aw variants including US, CN, and Sunbelt-designated machines under a single part number.
- Fluid Containment Integrity — A functioning ring seal prevents internal fluid from migrating past mating components; a failed or hardened seal allows leakage that leads to fluid loss and accelerated wear on adjacent parts.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, carrying the manufacturer's part number 5100028934 for straightforward verification against your machine's parts manual.
A ring seal creates a pressurized or fluid-tight barrier between two mating surfaces or rotating components inside the machine. In a vibratory plate compactor, these seals are critical to maintaining the integrity of the exciter housing and hydraulic or lubrication circuits — preventing fluid from escaping into areas where it can cause contamination or leave critical moving parts without adequate lubrication. When a ring seal wears, hardens, or cracks, it loses its ability to conform to the mating surface under compression, resulting in visible leaks, reduced system pressure, and the potential for component damage if the condition is left uncorrected.
Part Details
| Part Number | 5100028934 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ring Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WP1540Aw | WP1540Aw US | 5100018327 |
| WP1540Aw | WP1540Aw | 5100018329 |
| WP1550Aw | WP1550Aw | 5100016241, 5100066158 |
| WP1550Aw | WP1550Aw US | 5100018324 |
| WP1540A | WP1540A US | 5100018328 |
| WP1540A | WP1540A | 5100018330 |
| WP1550A | WP1550A | 5100018323 |
| WP1550A | WP1550A US | 5100018325 |
| Vibration Plate | WP1550Aw CN | 5100039663 |
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.