The Multiquip EM810X1213 ST30 Piston Return Pin is a genuine OEM component designed for the ST30 swing tube concrete pump. As an authentic Multiquip replacement, EM810X1213 is manufactured to the exact tolerances required for correct piston return operation, ensuring a direct, like-for-like installation. This pin is purpose-built for ST30 series equipment, making it the reliable choice for operators who need a confirmed-fit part the first time.
Key Features
- Genuine OEM Dimensional Accuracy — Machined to the exact tolerances required for the piston return assembly, ensuring correct engagement and movement within the pump cylinder.
- Direct Installation Fit — Engineered specifically for the ST30 concrete pump; installs in place of the original pin without alteration to surrounding components.
- ST30 Confirmed Fitment — Verified for use with ST30 series swing tube concrete pumps, giving you confidence in compatibility before the part ships.
- Sustained Pumping Consistency — A correctly functioning piston return pin keeps the pumping cycle synchronized; a worn or missing pin leads to erratic stroke behavior and output loss.
- Durable Construction — Built to withstand the repetitive mechanical stress of continuous concrete pumping cycles, supporting long service intervals between replacements.
The piston return pin is a critical component in the reciprocating pump mechanism of swing tube concrete pumps. It controls the return stroke of the piston, allowing the pumping cycle to reset correctly after each forward stroke. When this pin is worn, bent, or missing, the piston fails to return to its proper starting position, causing inconsistent concrete output, increased wear on surrounding components, and potential pump shutdown. Replacing it promptly with a correct-spec part restores full pumping performance.
DHS Equipment supplies genuine Multiquip OEM parts backed by knowledgeable support. If you need help confirming that this part is the right part for your ST30, contact our parts team before ordering.
Part Details
| Part Number | EM810X1213 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | ST30 Piston Return Pin |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST30 | ST30 |
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.