The Wacker Neuson Plug Set is a genuine OEM component designed for the PT2A, PT3A, and PT4A series self-priming centrifugal trash pumps, including standard and indirect (I) variants. As a direct OEM replacement, this plug set is manufactured to the exact specifications Wacker Neuson requires for proper sealing and service performance across the PT pump lineup. Fitment covers the PT2A, PT2A(I), PT3A, PT3A(I), PT4A, and PT4A(I) models, making it a versatile service part for operators running multiple pump sizes on the same jobsite. Keep the on hand as part of your routine pump service inventory to stay ahead of maintenance needs.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material and thread specifications, ensuring plugs seat and seal correctly without weeping or cross-threading.
- Direct-Fit Replacement — Installs into the same threaded ports as the original plugs with no rework required to pump housings or fittings.
- Broad PT Series Compatibility — Fits PT2A, PT2A(I), PT3A, PT3A(I), PT4A, and PT4A(I) trash pumps, covering both standard and indirect configurations across three discharge sizes.
- Leak-Free Pump Operation — Correctly seated plugs maintain internal pump pressure and prevent fluid loss at service ports, keeping the pump primed and flowing at rated capacity.
- Fuel and Fluid System Safety — Properly torqued and sealed plugs prevent unintended discharge of pump fluids during transport, storage, or service — an important safety consideration for fuel-adjacent pump applications.
Plug sets on self-priming trash pumps serve as threaded closures for service ports, drain points, and access openings in the pump housing and volute. When these plugs are correctly installed and properly sealed, they maintain the internal fluid circuit and prevent air ingestion or fluid leakage during pump operation. A damaged, missing, or improperly seated plug can cause the pump to lose prime, reduce flow output, or allow water or debris into areas of the pump not designed to handle it — leading to accelerated wear on the impeller and seal assembly.
Part Details
| Part Number | 5100044154 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2A | PT2A | 5100042215 |
| PT3A | PT3A | 5100042216 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT2A(I) | PT2A(I) | 5100042613 |
| PT3A(I) | PT3A(I) | 5100042614 |
| PT4A(I) | PT4A(I) | 5100042615 |
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.
