The Multiquip EM97009 ST40 Check Cartridge is a genuine OEM component designed for the ST40 swing tube concrete pump. Sourced directly from Multiquip, this check cartridge meets the exact specifications of the original part installed at the factory. It is engineered to integrate seamlessly into the ST40 pump system, restoring proper material flow control without modification. If you are servicing an ST40 and need a dependable replacement, EM97009 is the correct part for the job.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original design tolerances, ensuring the cartridge seats and seals correctly within the ST40 pump valve circuit.
- Direct-Fit Replacement — Matches the original EM97009 check cartridge geometry for a straightforward installation into the existing valve housing on ST40 concrete pumps.
- ST40 Compatibility — Confirmed fitment for the Multiquip ST40 swing tube concrete pump series.
- Consistent One-Way Flow Control — A properly functioning check cartridge maintains unidirectional concrete flow, preventing backflow that can disrupt pump stroke and output pressure.
- Critical Hydraulic Circuit Integrity — In a concrete pump application, a worn or failed check cartridge can cause erratic pumping cycles and material loss — replacing it promptly restores controlled, predictable operation.
A check cartridge functions as a one-way valve within the concrete pump's hydraulic or material circuit, allowing flow in one direction while blocking reverse movement. In the ST40 swing tube pump, this component is essential to maintaining steady, controlled concrete delivery — keeping each pump stroke effective and preventing material from flowing back through the system between strokes. When the check cartridge wears or fails, operators may notice inconsistent output, pressure loss, or erratic cycling, all of which can affect pour quality and overall pump performance.
For help confirming this is the correct part for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | EM97009 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | ST40 Check Cartridge |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST40 | ST40 |
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.