The Wacker Neuson Terminal Post is a genuine OEM component designed for the PS3-5503, PS4-5503, PS4-11003HH, PS4-1003HF, and PS4-7503HH series submersible pumps. As a direct factory replacement, this part is sourced from Wacker Neuson and manufactured to the same specifications as the original, ensuring a correct, straight-swap installation. It covers a wide range of PS-series pump configurations spanning 50 Hz and 60 Hz voltages across both 220 V and 440 V applications.
Key Features
- Genuine OEM Electrical Integrity — Manufactured by Wacker Neuson to exact conductivity and connection tolerances, so terminal contact quality matches the original build specification.
- Direct-Swap Installation — Engineered to seat and connect identically to the original post, with no machining, drilling, or adapter hardware needed during installation.
- Broad PS-Series Compatibility — Fits PS3-5503, PS4-5503, PS4-7503HH, PS4-11003HH, and PS4-1003HF submersible pump models across multiple voltage and frequency configurations.
- Sustained Motor Circuit Performance — A correctly seated terminal post maintains a clean, low-resistance electrical path to the pump motor; a corroded or damaged post can cause voltage drop, overheating, or motor failure.
- Electrical Safety Compliance — Using a genuine OEM terminal post preserves the integrity of the pump's sealed electrical connection system, reducing the risk of arcing, insulation breakdown, or moisture ingress at the terminal junction.
The terminal post is a critical electrical connection point within a submersible pump's motor housing. It provides the secure, sealed interface between the external power supply and the internal motor windings, carrying full operating current every time the pump runs. When a terminal post corrodes, cracks, or develops a loose connection, the result can range from intermittent pump operation and heat buildup to a complete electrical failure — making timely replacement essential for keeping the pump running safely and efficiently.
Part Details
| Part Number | 5100028517 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal Post |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS3-5503 | PS35503 | 5000008844, 5000008845, 5000009200 |
| PS4-5503 | PS45503 | 5000008850, 5000008851, 5000009202 |
| PS4-11003HH | PS411003HH | 5000008868, 5000008876, 5000009153, 5000009154, 5000009208 |
| PS4-1003HF | PS411003HF | 5000008872, 5000008878, 5000009210 |
| PS4 7503HH Sub. Pump, 220V/60hz, 10hp, 25.5A | PS47503HH | 5000009147, 5000009148 |
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.
