The Wacker Neuson 5100044495 Nut is a genuine OEM fastener designed for the PT4A, PT4A(I), PT3A, and PT3A(I) series self-priming centrifugal trash pumps. Sourced directly through the Wacker Neuson OEM parts program, this nut meets the exact specifications required for secure, properly torqued assembly on your pump. Confirmed fitment spans the PT3A, PT3A(I), PT4A, and PT4A(I) models, making it a reliable choice when restoring your trash pump to full working condition.
Key Features
- Genuine OEM Fastener Grade — Manufactured to the exact thread pitch, hardness, and dimensional spec required for secure clamping force in trash pump assemblies, where vibration and fluid pressure demand consistent torque retention.
- Drop-In Replacement — Matches the original factory fastener directly, threading into existing hardware without chasing threads or sourcing additional hardware.
- Broad PT-Series Fitment — Confirmed compatible with the PT3A, PT3A(I), PT4A, and PT4A(I) self-priming centrifugal trash pump models.
- Maintains Pump Integrity Under Load — A correctly spec'd nut holds critical pump components firmly in place during operation, preventing loosening that can lead to misalignment, leaks, or component damage.
A nut may be a small component, but in a high-vibration environment like a self-priming trash pump, the wrong fastener or a worn one can compromise the clamping integrity of covers, housings, or impeller assemblies. Proper thread engagement and correct torque depend on the fastener meeting the original dimensional and material specification. When a nut strips, loosens under load, or is replaced with an incorrect substitute, it can allow components to shift, create leaks, or accelerate wear on adjacent parts — turning a minor replacement into a larger repair.
Part Details
| Part Number | 5100044495 |
|---|---|
| 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.
