The Wacker Neuson Screw is a genuine OEM component designed for the PDT2, PDT3, PDI2, PDI3, and PD3B series diaphragm trash pumps. As a direct OEM replacement, this screw is manufactured to the exact dimensions and material specifications required for proper assembly and secure fastening within these pump units. It covers an extensive range of 2-inch and 3-inch diaphragm pump configurations across both inline and standard PDT/PDI model families. Having the correct fastener on hand means your pump goes back together right the first time, keeping your equipment operating at full capacity on the job.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Wacker Neuson's exact thread pitch, head geometry, and material hardness specifications for secure, lasting clamping force in pump assemblies.
- Drop-In Assembly Fit — Matches the original mounting points directly, threading into existing bores without chasing or reworking — critical for maintaining proper torque and sealing in a diaphragm pump housing.
- Broad Diaphragm Pump Coverage — Compatible with PDT2, PDT3, PDI2, PDI3, and PD3B series 2-inch and 3-inch diaphragm trash pumps across multiple model configurations.
- Pump Integrity Maintained — A correctly torqued, properly fitting screw keeps pump housing panels and covers sealed tight, preventing air ingestion and pressure loss that can degrade diaphragm pump output.
- Sourced from Wacker Neuson — Supplied as a genuine OEM part, ensuring it meets the same standards as the fastener originally installed at the factory.
A diaphragm pump relies on a fully sealed housing to maintain consistent suction and discharge pressure across its pumping cycle. Screws used in these assemblies secure pump covers, air valve plates, and diaphragm retaining components — any fastener that is stripped, corroded, or dimensionally incorrect can compromise the seal, allowing air leaks that reduce pumping efficiency or cause the pump to lose prime entirely. Using the correct OEM screw, with the proper thread form and head type, ensures each fastened joint holds to spec and keeps the pump performing as designed through demanding jobsite conditions.
Part Details
| Part Number | 5000051303 |
|---|---|
| Old Part Number | 0051303 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.