The Wacker Neuson Mechanical Seal is a genuine OEM component designed for the PS4-7503HH, PS4-7503HF, PS4-11003HH, and PS4-11003HF series submersible pumps. As a direct OEM part, the is manufactured to the same standards as the original seal installed at the factory, ensuring a correct fit within the pump housing without modification. This seal is compatible across a wide range of PS4 submersible pump configurations spanning 220V, 400V, 440V, and 575V variants in both 50Hz and 60Hz ratings. Keeping a verified replacement like the on hand is the fastest way to restore a pump to full working condition after seal failure.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's original material specification for the PS4 pump family, ensuring the correct compression rating and chemical resistance for submersible pump environments.
- Drop-In Fit for PS4 Pump Housings — Engineered to seat correctly within the PS4 series pump housing interface, matching the original seal bore dimensions for a secure, leak-free installation.
- Broad PS4 Series Compatibility — Fits PS4-7503HH, PS4-7503HF, PS4-11003HH, and PS4-11003HF submersible pumps across multiple voltage and frequency configurations (220V–575V, 50Hz and 60Hz).
- Protects Motor and Impeller from Water Ingress — A functioning mechanical seal is the primary barrier between the pumped fluid and the motor cavity; a worn seal allows water intrusion that causes rapid motor failure and impeller damage.
- Critical Leak-Prevention Component — On a submersible pump, seal integrity is directly tied to electrical safety; a failed mechanical seal can allow water to reach energized motor windings, making timely replacement essential.
A mechanical seal is the dynamic sealing element that prevents pumped fluid from traveling up the shaft and entering the motor housing of a submersible pump. It works by pressing two precision-lapped faces — one rotating with the shaft and one stationary in the housing — against each other to form a fluid-tight barrier under operating pressure. Over time, abrasion from suspended solids, thermal cycling, and normal wear cause the sealing faces to degrade, leading to visible leakage, reduced pump efficiency, and ultimately motor damage if the seal is not replaced promptly.
Part Details
| Part Number | 5000150507 |
|---|---|
| Old Part Number | 0150507 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS4-7503HH | PS47503HH | 5000008856, 5000008857, 5000009147, 5000009148, 5000008855, 5000008858, 5000008859, 5000008860, 5000009149, 5000009204 |
| PS4-7503HF | PS47503HF | 5000008862, 5000008863, 5000008866, 5000009150, 5000009151, 5000008861, 5000008864, 5000008865, 5000009152, 5000009206 |
| PS4-11003HH | PS411003HH | 5000008868, 5000008876, 5000009153, 5000009154, 5000008867, 5000008869, 5000008870, 5000008877, 5000009155, 5000009208 |
| PS4-1003HF | PS411003HF | 5000008872, 5000008878, 5000009156, 5000009157, 5000008871, 5000008873, 5000008874, 5000008879, 5000009158, 5000009210 |
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.
