The Wacker Neuson is a genuine OEM Hose Coupling BSP designed for the PS4-3703, PS4-5503, PS4-7503HH, and PS4-7503HF series submersible pumps. As a factory-original component, it is manufactured to the exact dimensional and thread specifications required for a secure, leak-free connection on these 100mm/4-inch submersible pump models. This coupling fits across multiple voltage and performance configurations within the PS4 family, including standard, high head, and high output variants. Sourcing the correct BSP coupling is critical to maintaining full discharge flow and preventing pressure loss at the hose connection point.
Key Features
- BSP-Threaded OEM Fitment: — Machined to British Standard Pipe thread tolerances, ensuring a pressure-rated seal at the pump discharge port without the need for thread adapters.
- Genuine Wacker Neuson Component: — Sourced directly from Wacker Neuson, this part carries the same material grade and thread specification as the coupling installed at the factory.
- Broad PS4 Family Coverage: — Fits PS4-3703, PS4-5503, PS4-7503HH, and PS4-7503HF submersible pump models across 400V/50Hz standard, high head, and high output configurations.
- Leak-Free Discharge Connection: — A correctly fitted BSP coupling maintains full pump discharge pressure; a worn or cracked coupling causes flow loss, hose separation, and potential site flooding risk.
- Critical Fluid-Path Component: — The hose coupling is a pressurized connection point in an active pumping system — using a dimensionally correct, pressure-rated OEM part is essential for safe, uninterrupted operation.
The Hose Coupling BSP connects the discharge port of the submersible pump to the attached discharge hose, forming the primary pressurized fluid-path junction between the pump body and the hose assembly. It must maintain a tight, thread-matched seal under continuous pumping pressure to prevent leaks and sustain full flow rate at the discharge outlet. When this coupling is cracked, cross-threaded, or otherwise compromised, the pump loses discharge efficiency and the hose connection becomes unstable — making prompt replacement essential to keeping the pumping system operating safely and at rated capacity.
Part Details
| Part Number | 5000152378 |
|---|---|
| Old Part Number | 0152378 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hose Coupling BSP |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS4-3703 | PS43703 | 5000008839, 5000008838, 5000008837, 5000009198 |
| PS4-5503 | PS45503 | 5000008850, 5000008851, 5000008849, 5000009202 |
| PS4-7503HH | PS47503HH | 5000008856, 5000008857, 5000008855, 5000009204 |
| PS4-7503HF | PS47503HF | 5000008862, 5000008863, 5000008861, 5000009206 |
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.
