The Wacker Neuson Adapter is a genuine OEM component designed for the PDT and PDI series diaphragm trash pumps, including 50mm/2-inch and 75mm/3-inch inline and standard configurations. Sourced directly from Wacker Neuson, this adapter meets the exact specifications of the original part installed at the factory. It is confirmed to fit a wide range of PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A model pumps. When you need a direct, by-the-book replacement, the is the correct part to order.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the adapter seats and seals correctly within the pump assembly without dimensional compromise.
- Drop-In Replacement: — Engineered to the same interface geometry as the original, so installation aligns directly with existing pump fittings and connection points on PDT and PDI series units.
- Broad PDT and PDI Series Coverage: — Fits 50mm/2-inch and 75mm/3-inch diaphragm trash pump models across the PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A families.
- Maintains Flow Path Integrity: — A correctly fitted adapter keeps pump inlet or outlet connections properly sealed and aligned, preventing air ingestion or fluid bypass that can degrade pumping efficiency.
- Verified OEM Part Number: — Part number 5000089221 is the Wacker Neuson factory reference for this adapter, so you can order with confidence that you are receiving the correct component for your pump model.
An adapter in a diaphragm trash pump serves as a transitional fitting that connects two sections of the pump's fluid pathway — typically bridging the pump body to an inlet, outlet, or auxiliary connection point. It ensures that flow transitions between components without leakage or misalignment. When an adapter cracks, corrodes, or loses its sealing surface, the pump may draw in air, lose prime, or deliver reduced flow, making timely replacement essential to keeping the pump operating at full capacity.
Part Details
| Part Number | 5000089221 |
|---|---|
| Old Part Number | 0089221 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Adapter |
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.