The Honda 16551-ZA0-930 Governor Arm is a genuine OEM component designed for ES6500 and EX5500 generators and the GX360 horizontal shaft engine. As a direct Honda OEM part, it is manufactured to the same specification as the original, ensuring proper governor response and throttle control right out of the box. This part fits a focused range of Honda equipment — verify your model and serial number against the fitment table before ordering to confirm this is the correct arm for your unit.
Key Features
- Genuine OEM Governor Linkage — manufactured by Honda to maintain the precise geometry the governor system depends on for accurate speed regulation
- Direct Replacement — replaces the original arm with no modification, restoring the mechanical connection between the governor assembly and the throttle linkage
- Targeted Fitment — fits ES6500 and EX5500 generators and GX360 engines; check your serial number against the fitment table to confirm applicability
- Speed Stability Under Load — a worn or bent governor arm causes hunting, surging, or an inability to hold a set speed; replacing this component restores steady engine response
The governor arm is a mechanical link in the engine's speed-control system. It connects the rotating governor assembly to the throttle, translating centrifugal force into throttle movement that keeps engine speed consistent as load changes. When the arm is bent, worn at its pivot, or otherwise compromised, the governor loses the mechanical accuracy it needs — resulting in unstable speed, surging under load, or runaway RPM. Replacing a damaged governor arm restores proper throttle authority and protects the engine from the stress of uncontrolled speed fluctuations.
Part Details
| Part Number | 16551-ZA0-930 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Governor Arm |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | ES6500, EX5500 | All |
| Horizontal Shaft Engine | GX360 | All |
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.
