The Wacker Neuson 5000158126 Mechanical Seal Silicon Carbide is a genuine OEM component designed for the PT3 series 75mm/3-inch self-priming centrifugal trash pumps, including the PT3, PT3A, PT3H, and PT3V models. Sourced directly through Wacker Neuson's authorized parts program, the part ensures a direct, drop-in fit with no guesswork on compatibility. This seal is precision-matched to the pump housing and impeller shaft dimensions specified for the PT3 family, covering a wide range of machine numbers across the lineup.
Key Features
- Silicon Carbide Seal Face — Silicon carbide construction delivers superior abrasion resistance against the slurry, grit, and particulate-laden fluids that PT3 series trash pumps handle daily.
- Genuine OEM Component — Manufactured to Wacker Neuson's exact pump shaft tolerances and face-load specifications, so the seal seats and compresses correctly the first time.
- Broad PT3 Series Coverage — Confirmed fitment across PT3, PT3A, PT3H, and PT3V pump variants, including multiple machine configurations within each model family.
- Leak-Free Pump Operation — A correctly functioning mechanical seal keeps water and abrasive slurry from migrating past the impeller shaft, protecting bearings and maintaining full pump output pressure.
- Fuel and Fluid Safety — A worn or failed mechanical seal allows fluid bypass around the shaft, which can lead to bearing contamination, seal housing damage, and uncontrolled fluid discharge — replacing promptly with the correct OEM seal is essential for safe pump operation.
A mechanical seal is the dynamic sealing interface between the rotating impeller shaft and the stationary pump housing. It uses two precision-lapped faces — one rotating with the shaft, one fixed — held together under controlled spring pressure to block fluid from escaping along the shaft. In a trash pump like the PT3 series, the seal is constantly exposed to abrasive debris suspended in the pumped fluid, making material grade critical. When a mechanical seal wears out or fails, the result is shaft-area leakage, loss of prime, and rapid bearing deterioration — ultimately taking the pump out of service entirely.
Part Details
| Part Number | 5000158126 |
|---|---|
| Old Part Number | 0158126 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal Silicon Carbide |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000009241, 5000009102 |
| PT3 Pump | PT3 | 5000009321, 5000620726, 5000009322, 5000009323 |
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242, 5100014963, 5100014964 |
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
Wacker Neuson 5000158125 Mechanical Seal Silicon Carbide
