The Multiquip EM509398 Adapter is a genuine OEM replacement designed for ST-45HRM and ST-70 series submersible pumps. As a factory-sourced component, it meets the original design specifications set for these pump models, ensuring a correct, trouble-free installation. DHS Equipment supplies this part direct, so you can be confident you are ordering the exact component your pump requires.
Key Features
- Genuine OEM Construction — Manufactured to the original material and dimensional specifications for submersible pump adapter applications, not a close approximation.
- Direct-Fit Installation — Engineered to seat and connect exactly as the original, requiring no reworking of surrounding components during installation.
- Confirmed Fitment — Compatible with Multiquip ST-45HRM and ST-70 submersible pumps; verify your model before ordering.
- Maintains Fluid Pathway Integrity — A correctly fitted adapter keeps the pump's discharge or connection path sealed and aligned, supporting full pumping efficiency and preventing leakage at the joint.
- Long-Term Corrosion Resistance — Built to withstand the wet, submerged operating environment these pumps routinely encounter, resisting degradation over extended service cycles.
An adapter on a submersible pump serves as a transitional fitting that connects two dissimilar port sizes, thread types, or coupling interfaces within the pump's fluid discharge or intake pathway. It allows the pump to mate correctly with hoses, pipes, or auxiliary components that would otherwise be incompatible with the base port. When an adapter is worn, cracked, or improperly fitted, the result is fluid leakage, pressure loss, and reduced pumping output — all of which compromise the pump's ability to move water efficiently on the jobsite.
Need help confirming fitment for your Multiquip submersible pump? Contact the DHS Equipment parts team with your model and serial number for assistance.
Part Details
| Part Number | EM509398 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Adapter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
| Submersible Pumps | ST-70 |
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.
