The Multiquip EM164141 Needle Valve Drilled ST30 60 80 is a genuine OEM component designed for ST30 series swing-tube concrete pumps. As a direct Multiquip OEM part, it meets the exact specifications required for proper fuel metering and carburetor function on ST-series concrete pumping equipment. This part is confirmed for ST30 fitment and is cross-referenced for ST60 and ST80 series machines, making it a versatile service part for operators running multiple units in a fleet.
Key Features
- Genuine OEM Fuel Metering Precision — Manufactured to Multiquip's exact tolerancing for the needle valve seat, ensuring consistent fuel flow control through the carburetor circuit.
- Drilled Passage Design — The pre-drilled orifice is sized to spec for ST-series concrete pump engines, allowing direct installation without modification to the fuel system.
- ST-Series Fitment — Confirmed for ST30 concrete pumps and cross-referenced for ST60 and ST80 series equipment, covering a broad range of swing-tube pump platforms.
- Consistent Engine Performance — A correctly functioning needle valve maintains the proper air-fuel mixture under load, supporting steady pump output and preventing rich or lean running conditions.
- Fuel System Integrity — Using the correct OEM needle valve reduces the risk of fuel leaks at the carburetor seat, an important consideration when operating internal combustion engines around concrete pump worksites.
The needle valve is a precision component inside the carburetor that regulates the flow of fuel into the float bowl, controlling how much fuel enters the engine at any given moment. When the needle valve wears or becomes damaged, the engine may run rich, flood, or fail to maintain consistent throttle response — all of which directly affect pump output and cycle consistency. On concrete pump equipment like the ST30, where steady engine operation is critical to maintaining pour continuity, a failed or incorrectly sized needle valve can bring a pour to a halt. Replacing it with the correct OEM part restores proper fuel circuit function and keeps the engine performing as designed.
Part Details
| Part Number | EM164141 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Needle Valve Drilled ST30 60 80 |
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.
