The Wacker Neuson is a genuine OEM O-Ring designed for the PS4-7503HH, PS4-7503HF, PS4-11003HH, and PS4-11003HF series submersible pumps. Sourced directly from Wacker Neuson, this O-Ring meets the exact material and dimensional specifications of the original component fitted at the factory. It covers an extensive range of PS4 submersible pump configurations, including High Head and High Output variants operating across 220V, 400V, 440V, and 575V supply ratings. When you match the part number to your pump's serial tag, you can be confident you're ordering the correct seal for your application.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the precise durometer and cross-section dimensions required to maintain a leak-free seal in PS4 submersible pump assemblies.
- Drop-In Replacement — Seats directly into the original groove without trimming or shimming, preserving the pump's designed compression and sealing geometry.
- Broad PS4 Series Coverage — Compatible with PS4-7503HH, PS4-7503HF, PS4-11003HH, and PS4-11003HF pumps across 220V, 400V, 440V, and 575V configurations in both 50Hz and 60Hz variants.
- Submersible-Duty Material Grade — Formulated to resist water, pump media, and the sustained pressures encountered in continuous submersible pump operation.
- Critical Fluid Containment — A failed or degraded O-Ring allows water or pumped media to bypass the seal, leading to motor compartment ingress and premature pump failure; replacing on schedule keeps the pump running at rated output.
- Pressure Boundary Safety — In an electric submersible pump, a compromised seal can allow water into energized motor components; using the correct OEM O-Ring maintains the designed watertight boundary around live electrical parts.
An O-Ring is a molded elastomeric seal that sits in a precisely machined groove between two mating surfaces, compressing when assembled to create a pressure-tight barrier that prevents fluid from passing across the joint. In a submersible pump like the PS4 series, O-Rings serve as primary seals between the motor housing, pump volute, and other wetted components, keeping the motor compartment dry and maintaining internal hydraulic pressure. When an O-Ring hardens, cracks, or is cut during service, the seal is lost — allowing water ingress into the motor or bypassing internal pressure, which causes reduced flow output, overheating, and ultimately motor failure if not corrected.
Part Details
| Part Number | 5000150703 |
|---|---|
| Old Part Number | 0150703 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
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, 5000009206, 5000008861, 5000008864, 5000008865, 5000009152 |
| PS4-11003HH | PS411003HH | 5000008868, 5000008876, 5000009153, 5000009154, 5000009208, 5000008867, 5000008869, 5000008870, 5000008877, 5000009155 |
| PS4-1003HF | PS411003HF | 5000008872, 5000008878, 5000009156, 5000009157, 5000009210, 5000008871, 5000008873, 5000008874, 5000008879, 5000009158 |
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.
