The Wacker Neuson Plug is a genuine OEM component designed for the PDT and PDI series diaphragm pumps, including the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) models. Sourced directly through Wacker Neuson's parts program, this plug is manufactured to the exact specification required by these pump families. It delivers a secure, leak-free seal that keeps the pump performing at rated capacity across demanding jobsite conditions.
Key Features
- OEM-Grade Sealing Integrity — Manufactured to Wacker Neuson's exact material and dimensional specifications, ensuring consistent compression and a positive seal within the pump body.
- Drop-In Installation — Engineered to thread or seat directly into the existing port without modification, matching the original plug's profile and thread pitch.
- Broad PDT / PDI Series Coverage — Confirmed fitment across multiple 2-inch and 3-inch diaphragm pump models, including PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I).
- Prevents Fluid Bypass and Pressure Loss — A correctly seated plug maintains internal pump pressure and prevents bypass leakage that can reduce flow rate and output efficiency.
- Verified Part Number — Part number 5000180280 is cross-referenced against multiple Wacker Neuson machine numbers to confirm accurate application before you order.
A plug in a diaphragm pump seals an access or service port within the pump housing or fluid passages, preventing fluid from bypassing internal circuits or escaping the system. When a plug is cracked, corroded, or missing, the pump can lose prime, develop internal leaks, or fail to maintain the discharge pressure needed to move water, slurry, or light solids efficiently. Replacing a worn or damaged plug restores the sealed environment the pump diaphragm depends on to generate consistent suction and output flow.
Part Details
| Part Number | 5000180280 |
|---|---|
| Old Part Number | 0180280 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 5100075509 |
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.