The Wacker Neuson Nut is a genuine OEM component designed for the PDT and PDI series diaphragm pumps, including the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) models. As a direct OEM part, it is manufactured to the same specifications as the original hardware used on the production line, ensuring a correct, trouble-free installation. Wacker Neuson covers a broad range of diaphragm pump configurations, making it a versatile stock item for service fleets and repair shops alike. Confirm your model number before ordering to ensure this is the correct nut for your specific pump configuration.
Key Features
- Genuine OEM Hardware Grade — Manufactured to exact OEM material and thread specification, ensuring the correct torque retention and corrosion resistance expected in pump hardware applications.
- Drop-In Installation — Threaded to match the original fastener position; installs without modification to surrounding pump components or hardware.
- Broad PDT/PDI Series Coverage — Compatible with PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) diaphragm pump models across multiple machine number variants.
- Maintains Structural Integrity — A correctly torqued nut keeps pump assemblies securely fastened; a loose or damaged fastener can cause misalignment, leaks, or premature component wear.
- Verified OEM Part Number — Sourced directly through the Wacker Neuson OEM parts network under part number 5000179856, eliminating guesswork during ordering.
A nut in a diaphragm pump assembly serves as a critical fastening element, securing key components such as the diaphragm housing, valve covers, or mounting hardware in place under operational pressure and vibration. When a nut becomes stripped, corroded, or lost during service, it must be replaced with a correctly specified fastener to maintain the integrity of the pump assembly. Using the wrong thread pitch or material grade can lead to loosening over time, resulting in fluid leaks or component damage during pump operation.
Part Details
| Part Number | 5000179856 |
|---|---|
| Old Part Number | 0179856 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 5100075509 |
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.
