The Wacker Neuson 5100044490 Nut is a genuine OEM component designed for PT4A, PT3A, PT4A(I), and PT3A(I) series self-priming centrifugal trash pumps. As a direct OEM replacement, it is manufactured to the exact specifications required by Wacker Neuson, ensuring correct fitment and consistent performance across the PT3A and PT4A pump families. Cross-referencing your machine model and serial number against the verified fitment list before ordering is always recommended to confirm compatibility.
Key Features
- Genuine OEM Specification: — Manufactured to Wacker Neuson's exact thread profile and dimensional tolerances, so the 5100044490 seats and torques correctly without modification.
- Direct-Fit Replacement: — Drops into the same position as the original hardware, matching the mating threads and bearing surfaces on the pump assembly.
- Broad PT-Series Compatibility: — Confirmed fitment across the PT3A, PT3A(I), PT4A, and PT4A(I) trash pump models, covering both standard and indirect-intake configurations.
- Sustained Clamping Integrity: — A properly torqued nut maintains the structural and sealing relationships between fastened pump components; a worn or damaged nut can allow loosening under vibration, leading to leaks or component separation.
- OEM Sourced Confidence: — Sold as a genuine Wacker Neuson part, so the material grade, thread class, and surface treatment match what left the factory originally.
A nut is a threaded fastener that works in combination with a bolt or stud to clamp components together and hold them securely under load. In pump assemblies like the PT3A and PT4A series, fasteners are subjected to continuous vibration and varying fluid pressures, making it essential that each nut maintains its holding force throughout operation. A nut that is stripped, corroded, or dimensionally out of spec can compromise the integrity of the joint it secures, potentially causing fluid leaks, misalignment, or mechanical failure of the connected components.
Part Details
| Part Number | 5100044490 |
|---|---|
| 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.
