The Wacker Neuson 5100044512 Nut is a genuine OEM component designed for the PT4A, PT3A, PT4A(I), and PT3A(I) series self-priming centrifugal trash pumps. As a direct OEM part, it is manufactured to the exact material grade and dimensional specification required for proper fitment in these pump assemblies. Confirm your model number against the PT4A, PT3A, PT4A(I), and PT3A(I) fitment list before ordering to ensure a correct match. Sourcing the right hardware at the fastener level keeps critical pump components securely torqued and properly seated during operation.
Key Features
- Genuine OEM Material Grade — Manufactured to the exact hardness and thread specification required for secure fastening in Wacker Neuson trash pump assemblies, ensuring consistent clamp load under pump vibration and pressure cycles.
- Thread-True Direct Replacement — Dimensionally identical to the original hardware, so it threads in cleanly without chasing or rework on existing fastener points.
- Confirmed Fitment Across PT-Series Pumps — Compatible with PT4A, PT3A, PT4A(I), and PT3A(I) self-priming centrifugal trash pumps; verify your model number prior to ordering.
- Maintains Structural Integrity at the Fastener Level — A worn, stripped, or incorrect nut can allow pump housings, covers, or fittings to loosen under load; replacing with the correct OEM hardware restores the designed clamping force.
A nut is a threaded fastener that works in tandem with a bolt or stud to clamp and secure components within the pump assembly. In a self-priming trash pump like the PT and PT(I) series, fasteners are subject to continuous vibration, pressure, and thermal cycling — conditions that accelerate wear on undersized or incorrect hardware. Using the correct OEM nut ensures the thread engagement, material strength, and dimensional tolerances match what the original design requires, preventing loosening, thread damage, or component separation during pump operation.
Part Details
| Part Number | 5100044512 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT4A | PT4A | 5100042604, 5100042217 |
| PT3A(I) | PT3A(I) | 5100042614 |
| PT4A(I) | PT4A(I) | 5100042615 |
| PT3A | PT3A | 5100042216 |
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.
