The Wacker Neuson is a genuine OEM Silicon Carbide Mechanical Seal designed for the PT3, PT3A, PT3H, and PT3V series 75mm/3-inch self-priming centrifugal trash pumps. As a direct OEM replacement, this seal is manufactured to the same specifications as the original, ensuring a correct fit within the pump's wet end assembly. It is compatible across the full PT3 family, covering multiple machine configurations including standard, high-head, and volute-casing variants. Keeping this seal in serviceable condition is critical to maintaining pump output and preventing fluid loss at the shaft.
Key Features
- Silicon Carbide Seal Face Material — Silicon carbide offers superior hardness and abrasion resistance compared to standard ceramic faces, holding up under the grit and debris loads common in trash pump applications.
- Genuine OEM Part — Sourced directly from Wacker Neuson, part number 5000158126 matches the original component spec for correct seating and shaft interface within the PT3 pump housing.
- Broad PT3 Family Fitment — Confirmed compatible with PT3, PT3A, PT3H, and PT3V pump models across numerous machine configurations — check your model number before ordering to confirm the right variant.
- Prevents Shaft Leakage — A worn or failed mechanical seal allows water and slurry to migrate along the pump shaft, leading to bearing contamination and accelerated wear of internal pump components.
- Maintains Pump Prime and Efficiency — A correctly seated mechanical seal keeps the pump's wet end sealed under operating pressure, sustaining suction lift capacity and consistent flow rate.
A mechanical seal sits between the rotating pump shaft and the pump housing, creating a dynamic fluid-tight barrier that prevents the pumped liquid from escaping along the shaft. In trash pump service — where the fluid often carries sand, silt, and solid debris — the seal faces are subjected to continuous abrasive wear, making material quality critical to service life. When a mechanical seal begins to fail, visible shaft leakage, loss of prime, and bearing damage are the typical consequences, and prompt replacement restores the pump to full operating condition.
Part Details
| Part Number | 5000158126 |
|---|---|
| Old Part Number | 0158126 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Silicon Carbide Mechanical Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242, 5100014963, 5100014964 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800 |
| PT3 Pump | PT3 | 5000009321, 5000620726, 5000009322, 5000009323 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000009102, 5000009241 |
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.
