The Multiquip EM98025 Piston Pump is a genuine OEM component designed for the ST-45HRM concrete pump. This is a direct OEM replacement sourced from Multiquip, ensuring the part meets the original design specifications for this swing-tube concrete pump model. Confirmed fitment for the ST-45HRM makes this the straightforward choice when servicing or rebuilding the pump assembly on this machine.
Key Features
- Genuine OEM Construction: — Manufactured to the original displacement and pressure tolerances required for consistent concrete delivery performance in the ST-45HRM.
- Direct OEM Replacement: — Engineered to install into the existing pump housing of the ST-45HRM without adapting or modifying surrounding components.
- Confirmed ST-45HRM Fitment: — Verified compatibility with the ST-45HRM swing-tube concrete pump, so you can order with confidence.
- Consistent Output Pressure: — A correctly functioning piston pump maintains steady concrete flow and volume through the delivery line; a worn or failed piston causes pressure drop, inconsistent output, and job delays.
- Critical Pump System Integrity: — The piston is a primary pressure-generating component in the pumping circuit; using a genuine OEM part preserves the hydraulic integrity and rated output of the ST-45HRM pump system.
The piston pump is the core pumping element in a concrete pump, responsible for generating the mechanical force that pushes concrete through the delivery line and hose. As the piston cycles, it draws material into the pump chamber and forces it out under pressure toward the placement point. When the piston wears, becomes damaged, or loses its seal, the pump loses output pressure, concrete delivery becomes erratic, and the machine can no longer move material efficiently — making timely replacement essential to keeping a pour on schedule.
Part Details
| Part Number | EM98025 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Pump |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
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.
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