The Wacker Neuson Mechanical Seal is a genuine OEM component designed for the PS2, PSA2, PST2, PST3, PSTF2, PSTF3, PSR1, PSG2, and PSR series submersible pumps. As a direct factory replacement, this seal maintains the watertight integrity between the pump's rotating shaft and its housing, preventing water ingress into the motor cavity. It is compatible across a wide range of Wacker Neuson submersible pump configurations including 110V, 230V, and 220V/60Hz variants within the PS and PST pump families.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's original material and compression specifications, ensuring the seal seats correctly against the shaft face and pump housing without leakage.
- Drop-In Shaft Replacement — Engineered to the exact dimensional profile of the original seal, allowing it to install directly onto the pump shaft without reworking the housing or shaft bore.
- Broad Submersible Pump Compatibility — Fits PS2, PSA2, PST2, PST3, PSTF2, PSTF3, PSG2, and PSR1 series submersible pumps across multiple voltage configurations, making it a single-part solution for mixed pump fleets.
- Motor Cavity Protection — A correctly seated mechanical seal keeps water out of the motor housing. A worn or damaged seal allows water intrusion that leads to motor winding failure and full pump replacement.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part number 5000150505 is the factory-specified seal for these pump families, ensuring traceability and confidence in the replacement.
A mechanical seal is the critical barrier between a pump's rotating drive shaft and the motor housing in a submersible pump. As the impeller spins to move water, the mechanical seal prevents that water from traveling up the shaft and into the motor cavity where it would cause electrical damage and motor burnout. When a mechanical seal wears, cracks, or loses its compression fit, the first signs are often reduced pump output or motor failure — by which point water has already breached the housing. Replacing the seal at the first sign of weeping or during routine service intervals is the most cost-effective way to extend pump service life.
Part Details
| Part Number | 5000150505 |
|---|---|
| Old Part Number | 0150505 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PST3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PST3750 | 5000620337, 5000620440, 5000620454, 5000620455, 5000620457 |
| PSTF3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PSTF3750 | 5000620338, 5000620441 |
| PS2 800 | PS2800 | 5000620436, 5000620442, 5000620438, 5000620439, 5000620452, 5000620477 |
| PSA2 800 | PSA2800 | 5000620443, 5000620449, 5000620450 |
| PST2-400 | PST2400 | 5000008789, 5000009112, 5000009173, 5000009174, 5000009175, 5000008785, 5000008786, 5000008788 |
| PSA2-500 | PSA2500 | 5000008790, 5000009114, 5000009179, 5000009180, 5000009181 |
| PS2-500 | PS2500 | 5000008794, 5000009113, 5000009172, 5000009176, 5000009177, 5000009178 |
| PSR1 500 | PSR1500 | 5000620411 |
| PSG2 500 | PSG2500 | 5000620412 |
| PSTF2 400 | PSTF2400 | 5000620435 |
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.