The Wacker Neuson Screw with Washer is a genuine OEM component designed for the PT3A, PT4A, PT3A(I), and PT4A(I) series trash pumps. Sourced directly from Wacker Neuson, this part meets the same specifications as the hardware installed at the factory, ensuring a correct and consistent fit every time. It is compatible across multiple PT series configurations, covering both standard and industrial variants within these pump families.
Key Features
- OEM-Grade Fastener Integrity — Manufactured to Wacker Neuson's torque and thread specifications, so the screw seats and clamps correctly without stripping or backing out under vibration.
- Integrated Washer Design — The captive washer distributes clamping load evenly across the mating surface, protecting the housing from damage and maintaining a secure joint over repeated service cycles.
- Direct Drop-In Replacement — Matches the original thread pitch, head size, and washer diameter for a straightforward swap during routine maintenance or repair.
- Broad PT Series Coverage — Fits PT3A, PT4A, PT3A(I), and PT4A(I) pump models, making it a practical stock item for operations running multiple units across this platform.
- Protects Pump Uptime — A loose or incorrect fastener in a high-vibration pump assembly can lead to panel gaps, fluid ingress, or component misalignment; the correct OEM hardware keeps the assembly tight and performing as intended.
A screw with washer is a combined fastener that joins two or more components while the integrated washer spreads the clamping force over a wider area, preventing pull-through and surface damage on softer materials. In a trash pump assembly — where constant vibration and demanding job conditions are the norm — using the correct fastener with the right thread engagement and load distribution is essential to keeping panels, covers, and structural components properly secured. When this type of hardware wears, corrodes, or is substituted with an incorrect fastener, it can compromise the integrity of the assembly and lead to accelerated wear on surrounding parts.
Part Details
| Part Number | 5100044389 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw with Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3A | PT3A | 5100042216 |
| PT4A | PT4A | 5100042217, 5100042604 |
| 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.
