The Wacker Neuson is a genuine OEM Mechanical Seal Carbon/Ceramic designed for the PT2 series 2-inch self-priming centrifugal trash pumps, including the PT2, PT2A, PT2H, and PT2V models. As a factory-authorized Wacker Neuson component, meets the exact material and dimensional specifications of the original seal installed at the factory. This seal is a direct service replacement, ensuring proper pump chamber integrity across all PT2-family configurations covered by this part number.
Key Features
- Carbon/Ceramic Seal Faces — The pairing of a carbon rotating face against a ceramic stationary seat delivers excellent abrasion resistance and reliable sealing performance in dirty, grit-laden water conditions typical of trash pump use.
- Genuine OEM Component — Sourced directly from Wacker Neuson, this seal matches the original part in face diameter, spring tension, and seat geometry — no fitting adjustments needed during installation.
- Broad PT2-Family Coverage — Fits PT2, PT2A, PT2H, and PT2V pump variants, including both engine-driven and bare-pump (without engine) configurations across multiple machine numbers.
- Maintains Pump Efficiency — A correctly seated mechanical seal prevents bypass leakage between the impeller chamber and the bearing housing, sustaining full discharge pressure and flow rate on the job.
- Prevents Bearing and Housing Damage — A failed mechanical seal allows pumped water and debris to migrate into the bearing cavity, accelerating wear on shaft bearings and potentially destroying the pump housing — replacing this seal promptly protects higher-cost components.
A mechanical seal is the dynamic sealing interface between a pump's rotating shaft and its stationary volute housing. It consists of two precision-lapped faces — one that spins with the impeller shaft and one fixed to the housing — held in contact by spring pressure to block fluid from escaping along the shaft. In a trash pump like the PT2 series, the seal is constantly exposed to abrasive particles and debris suspended in the pumped water, which accelerates wear on the sealing faces over time. When the seal fails, water leaks out around the shaft, pump output drops, and fluid intrusion into the bearing area causes rapid mechanical damage that can take the entire pump out of service.
Part Details
| Part Number | 5000119784 |
|---|---|
| Old Part Number | 0119784 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal Carbon/Ceramic |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2H Pump | PT2H | 5000009094, 5000009097, 5000009239, 5200007593 |
| PT2A Pump | PT2A | 5000009092, 5000009095, 5000009237 |
| PT2 Pump | PT2 | 5000009318, 5000620725, 5000009319, 5000009320 |
| 50mm/2in Centrifugal Trash Pum p | PT2V | 5000009238, 5000009093, 5000009096 |
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.
Wacker Neuson
Old Style Mechanical Seal Kit | Wacker PT2, PT2A - Non-Threaded Impeller | 0078837, 5000078837
