The Wacker Neuson Screw is a genuine OEM component designed for the PDT and PDI series diaphragm trash pumps, including 50mm/2-inch and 75mm/3-inch configurations. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original hardware installed at the factory, ensuring a correct fit without guesswork or modification. Fitment covers a wide range of PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, PDI3A, and PD3B series diaphragm pump models. Whether you are performing routine maintenance or restoring a pump to full working condition, sourcing the correct OEM screw keeps every fastened joint tight, sealed, and operating as intended.
Key Features
- OEM-Grade Fastener Integrity — Manufactured to Wacker Neuson's exact thread pitch, head dimensions, and material grade specifications, so clamping force and torque values match the original design.
- Drop-In Hardware Replacement — Matches the original hole pattern and drive type for straightforward installation using standard tooling — no re-drilling or adapters needed.
- Broad PDT and PDI Series Coverage — Fits 50mm/2-inch and 75mm/3-inch diaphragm trash pump models across the PDT2, PDT3, PDI2, PDI3, and PD3B families, covering multiple serial number ranges.
- Pump Housing and Assembly Integrity — A correctly specified screw maintains the compression and alignment required to keep pump housings, valve covers, and diaphragm assemblies properly seated under working pressure.
- Prevents Leaks and Structural Play — Using an undersized or incorrect fastener in a diaphragm pump can lead to housing gaps, fluid leaks, and accelerated diaphragm wear — the 5000051315 eliminates that risk by delivering the right hardware every time.
A screw in a diaphragm pump assembly does more than hold panels together — it applies the precise clamping load needed to compress gaskets and seals against pump housings, valve bodies, and diaphragm plates. If a fastener is stripped, corroded, or replaced with an incorrect substitute, the resulting gaps allow air ingestion or fluid leakage that disrupts the pump's priming ability and overall output pressure. Replacing a worn or damaged screw with the correct OEM hardware restores full structural integrity to the assembly and ensures every sealed joint performs as the pump was originally engineered to deliver.
Part Details
| Part Number | 5000051315 |
|---|---|
| Old Part Number | 0051315 |
| 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.
