The Multiquip EM166021 Actuator Cover is a genuine OEM replacement designed for the ST-45HRM concrete pump. As an authentic Multiquip part, the part is manufactured to the same specifications as the original component, ensuring a direct, correct-fit installation with no guesswork. This cover is sourced directly through authorized Multiquip supply channels, making it the trusted choice for contractors and equipment operators who depend on their concrete pump to perform without interruption.
Key Features
- Genuine OEM Construction: — Manufactured to original design tolerances, ensuring the cover seats and seals correctly over the actuator assembly without gap or misalignment.
- Direct-Fit Replacement: — Engineered as a drop-in replacement for the ST-45HRM, matching original mounting points and profile for straightforward installation.
- ST-45HRM Compatibility: — Confirmed fitment for the Multiquip ST-45HRM swing-tube concrete pump series.
- Protective Function: — Shields the actuator mechanism from concrete slurry, debris, and moisture that can accelerate wear and cause operational failure if left exposed.
- Verified Part Number: — Ordering by part number this part ensures you receive the correct cover for your machine, eliminating the risk of a mismatched component.
The actuator cover on a concrete pump serves as a protective housing for the actuator mechanism that controls the movement of the swing tube or valve assembly directing concrete flow. By enclosing this component, the cover prevents abrasive material, hydraulic fluid contamination, and environmental debris from reaching the actuator and degrading its function. When this cover is cracked, missing, or damaged, the actuator becomes vulnerable to premature wear, erratic operation, or outright failure — disrupting pumping cycles and potentially leading to more costly internal repairs.
For questions about fitment or to confirm this is the right part for your machine, contact the DHS Equipment team directly.
Part Details
| Part Number | EM166021 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Actuator Cover |
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.
