The Wacker Neuson Wing Nut is a genuine OEM component designed for the PT3A, PT4A, PT3A(I), and PT4A(I) centrifugal trash pump series, as well as the G7AI generator and PDT3A pump. As a direct OEM replacement, the meets Wacker Neuson's original design specifications, ensuring it seats and threads correctly without adjustment. Verified fitment spans both standard and indirect-drive variants across the PT3A and PT4A pump families, making it a dependable choice whether you're servicing a single unit or maintaining a fleet.
Key Features
- Genuine OEM Thread Integrity — Manufactured to Wacker Neuson's original thread pitch and dimensional spec, so it engages cleanly with mating fasteners every time.
- Tool-Free Tightening — The hand-operable wing profile allows quick, secure fastening and removal without wrenches, keeping service intervals fast in the field.
- Broad Pump Family Coverage — Fits PT3A, PT4A, PT3A(I), PT4A(I), and PDT3A pump models, as well as the G7AI generator, consolidating your parts inventory across multiple machines.
- Secure Panel and Cover Retention — A properly functioning wing nut maintains consistent clamping force on access covers and panels; a worn or stripped nut can allow covers to shift or vibrate loose during pump operation.
- Direct OEM Sourcing — Supplied as a genuine Wacker Neuson part, so fit, finish, and material grade match the original hardware exactly.
A wing nut is a hand-tightened fastener used to secure access panels, filter housings, covers, or auxiliary components that require routine removal for inspection or servicing. The winged profile lets operators loosen and retighten by hand without tools, which is especially practical on pumps and generators that see frequent maintenance in the field. When a wing nut becomes stripped, cracked, or corroded, it can no longer hold the mating cover securely, which may expose internal components to debris or allow panels to rattle loose under the vibration generated during pump operation.
Part Details
| Part Number | 5200000445 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Wing Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5100042216 |
| G 7AI | G7AI | 5000009104 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT3A(I) | PT3A(I) | 5100042614 |
| PT4A(I) | PT4A(I) | 5100042615 |
| PDT3A | PDT3A | 5100075507 |
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.
