The Wacker Neuson is a genuine OEM 5 X 5 X 15.5 Key designed for PSC31503 and PSC31603EX submersible pumps. As a factory-sourced component, part meets the exact dimensional specifications required for proper shaft and hub engagement in these pump models. This key is confirmed to fit both the PSC31503 and the PSC31603EX, giving operators a straightforward, direct replacement when the original shows wear or damage.
Key Features
- Exact OEM Dimensions: — Manufactured to the precise 5 x 5 x 15.5 mm profile required for correct seating and full torque transfer between shaft and hub.
- Genuine Wacker Neuson Part: — Sourced directly from Wacker Neuson, this key matches the original material grade and hardness spec of the factory-installed component.
- Confirmed Fitment: — Verified for PSC31503 and PSC31603EX submersible pumps; use your model number to confirm before ordering.
- Secure Power Transmission: — A correctly sized key locks the impeller or drive component to the shaft, ensuring full pump output is delivered without slippage.
- Drop-In Installation: — Slots directly into the existing keyway on the shaft and mating hub, requiring no machining or modification to fit.
A shaft key is a small but critical component in a pump's drive assembly. It sits in a machined slot — called a keyway — between the rotating shaft and the hub of the driven component, such as an impeller or coupling, locking the two together so they rotate as a single unit. When a key shears, deforms, or wears down, the driven component can slip or spin freely on the shaft, resulting in a complete loss of pumping performance. Replacing a damaged key promptly with the correct OEM part restores the mechanical connection and brings the pump back to full working capacity.
Part Details
| Part Number | 5000176900 |
|---|---|
| Old Part Number | 0176900 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | 5 X 5 X 15.5 Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 3~Submersible Pumps | PSC31503 | 5000620468 |
| 3~Submersible Pumps | PSC31603EX | 5000620471 |
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.
