The Wacker Neuson is a genuine OEM Hexagonal Head Cap Screw designed for the PDT2, PDT3, PDI2, and PDI3 series diaphragm trash pumps. As a factory-sourced fastener, it is manufactured to the exact thread pitch, head geometry, and tensile specification required by Wacker Neuson for these pump assemblies. This screw is confirmed to fit both inline (PDI) and standard (PDT) diaphragm pump configurations in 50mm/2in and 75mm/3in discharge sizes across multiple production variants. Ordering by part number ensures you receive the correct fastener for your specific pump model.
Key Features
- Exact Thread and Head Specification — Manufactured to the precise hex head geometry and thread profile required by Wacker Neuson, ensuring correct torque transfer and full thread engagement on installation.
- Genuine OEM Sourcing — Supplied directly from Wacker Neuson's parts network, meaning this screw meets the same material grade and tensile strength as the fastener that left the factory.
- Broad PDT and PDI Series Coverage — Fits PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A diaphragm trash pump variants in both 2in and 3in discharge configurations.
- Structural Integrity Under Pump Operating Loads — A correctly specified cap screw maintains the clamping force needed to keep pump housing assemblies sealed and aligned during continuous operation; an incorrect or worn fastener can lead to loosening, leaks, or housing damage.
- Direct Drop-In Replacement — Matches the original fastener position and interface so the pump can be reassembled to spec without additional hardware modification.
A hexagonal head cap screw is a fully threaded or partially threaded fastener used to clamp and secure structural assemblies within the pump housing. In diaphragm trash pumps, fasteners like this one hold critical housing sections together under the repeated mechanical stress and vibration generated during pumping operations. When a cap screw fails, stretches, or is replaced with an incorrect substitute, clamping force is compromised — which can result in housing misalignment, fluid ingress, or accelerated wear on mating surfaces. Using the correct OEM fastener ensures the assembly maintains its designed clamping load and service life.
Part Details
| Part Number | 5000020487 |
|---|---|
| Old Part Number | 0020487 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hexagonal Head Cap 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 |
| 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.
