Multiquip 16551ZE0010 Governor Arm

The Multiquip 16551ZE0010 Governor Arm is a genuine OEM component designed for a wide range of Multiquip, Whiteman, and STOW equipment powered by compatible Honda engines, including MVC and MVH plate compactors, QP and CP centrifugal and trash pumps, MC and CMS concrete mixers, and GA-series portable generators. As a direct OEM replacement, the part meets original design specifications to restore accurate engine speed regulation across every compatible model. This part is sourced directly through authorized Multiquip supply channels and sold by DHS Equipment, ensuring you receive the correct component for your machine. Confirm your model code against the fitment list before ordering to ensure compatibility.

Key Features

• Genuine OEM Specification: — Manufactured to the original design tolerance for Honda engine governor linkage, ensuring the arm engages the governor shaft and throttle linkage with the correct geometry and range of motion.
• Direct Drop-In Replacement: — Installs into the existing governor linkage bracket without modification, using the original pivot point and connection hardware for a straightforward service swap.
• Broad Equipment Compatibility: — Fits an extensive range of Honda-powered Multiquip equipment including MVC64, MVC82, MVH120, QP2H, QP303H, MC-42S, MC-64S, GA-2.5H, and many additional plate compactor, pump, mixer, and saw models.
• Restores Accurate Engine Speed Control: — A functioning governor arm keeps engine RPM stable under varying load conditions; a worn or bent arm causes erratic throttle response, engine hunting, or runaway RPM that can damage the machine.
• Engine Safety Relevance: — The governor arm is a critical part of the overspeed protection system on Honda engines. Replacing a damaged arm promptly prevents uncontrolled engine acceleration that can create unsafe operating conditions.

The governor arm is a mechanical linkage component that connects the engine's centrifugal governor flyweights to the throttle plate, allowing the engine to automatically adjust fuel delivery in response to changes in load. As the engine speeds up under light load, the flyweights push outward and move the governor arm, which partially closes the throttle to reduce speed. When load increases and RPM drops, the arm opens the throttle to compensate. A bent, cracked, or worn governor arm disrupts this feedback loop, leading to rough running, surging, or the inability to maintain a consistent operating speed — all of which reduce the effectiveness of the equipment and can accelerate wear on other engine components.

Part Details

Compatibility & Fitment

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.