The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PDT2, PDT3, PDI2, and PDI3 series diaphragm trash pumps. As a direct factory replacement, this O-Ring maintains the pressure integrity and fluid containment your pump depends on during demanding jobsite use. It fits across a broad range of 50mm/2-inch and 75mm/3-inch inline and standard diaphragm trash pump configurations, covering both PDT and PDI model families.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material compound and dimensional tolerances, ensuring the O-Ring seats and compresses correctly within the pump housing.
- Drop-In Replacement — Engineered to the same cross-section and durometer as the original, allowing direct installation without reworking ports or mating surfaces.
- Broad PDT and PDI Series Compatibility — Verified fitment across PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A diaphragm trash pump models in both 50mm/2-inch and 75mm/3-inch discharge configurations.
- Leak-Free Fluid Containment — A correctly seated O-Ring prevents fluid bypass at pump joints and fittings, sustaining output pressure and protecting surrounding components from moisture ingress.
- Fuel and Fluid Compatibility — Formulated to resist degradation from water, light hydrocarbons, and the abrasive slurries commonly encountered in trash pump applications, supporting extended service intervals.
An O-Ring is a molded loop seal installed at the mating faces of pump housings, ports, and fittings to prevent fluid from leaking past the joint under pressure. In a diaphragm trash pump, maintaining a tight seal is critical — even a minor leak path can cause a loss of prime, reduced discharge pressure, or allow abrasive solids to migrate into areas of the pump that are not designed to handle them. When an O-Ring hardens, cracks, or takes a permanent compression set, it loses its ability to conform to mating surfaces, making prompt replacement essential to keeping the pump primed and performing at rated capacity.
Part Details
| Part Number | 5000089222 |
|---|---|
| Old Part Number | 0089222 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
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.
