The Multiquip 0204102177 Impeller Nut ST-4100 16MM Stain is a genuine OEM fastener designed for the ST-4100 submersible pump. Sourced directly from Multiquip, this component is manufactured to the exact specification required to secure the impeller assembly in ST-4100 series units. Verified fitment with the ST-4100 means no guesswork when ordering your replacement hardware.
Key Features
- Genuine OEM Hardware Integrity — Stainless steel construction delivers the corrosion resistance essential for fasteners operating in continuous submersed and wet-environment pump applications.
- Exact-Match Impeller Retention — Machined to the correct 16MM thread specification for the ST-4100 impeller shaft, ensuring proper torque transfer and secure impeller seating without adaptation.
- Confirmed ST-4100 Fitment — Verified for the Multiquip ST-4100 submersible pump series, so you are ordering the right part the first time.
- Sustained Pump Performance — A properly torqued impeller nut keeps the impeller locked at the correct position on the shaft, maintaining designed flow rate and pressure output across the pump's service life.
- Stainless Steel Durability — The stainless material grade resists the oxidation and thread degradation that standard steel hardware experiences in pumped-water environments, extending service intervals.
The impeller nut is the critical fastener that locks the impeller onto the pump shaft inside a submersible pump. It holds the impeller at the correct axial position so that it can move water efficiently through the pump volute. If this nut loosens or fails, the impeller can shift or spin freely on the shaft, causing an immediate loss of pumping capacity and potential damage to the shaft, impeller, and surrounding pump components. Using the correct OEM-spec nut — sized and threaded precisely for the ST-4100 — ensures the assembly stays secure under the continuous hydraulic loads the pump generates during operation.
DHS Equipment supplies genuine Multiquip OEM parts backed by accurate fitment data. If you need help confirming this part is right for your ST-4100 unit, contact our parts team before ordering.
Part Details
| Part Number | 0204102177 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Impeller Nut ST-4100 16MM Stain |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST-4100 | ST-4100 |
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.
