The Honda 16580-Z5T-000 Control Base is a genuine OEM component designed for GX340 and GX390 horizontal shaft engines. As a direct OEM replacement, this part matches the original in every critical dimension, ensuring it installs correctly without modification. It is the right choice when restoring the governor or throttle control assembly on either of these Honda engines.
Key Features
- Genuine OEM Quality — sourced directly from Honda, this Control Base meets the same specifications as the original part it replaces, ensuring proper function of the engine's control system.
- Exact OEM Fit — engineered to the original design, this part integrates directly with the existing control assembly hardware on GX340 and GX390 engines without rework or adaptation.
- Confirmed Fitment — compatible with GX340 and GX390 horizontal shaft engines; always verify your engine's serial number against the fitment table before ordering.
- Restores Proper Governor and Throttle Response — a damaged or broken control base can cause erratic speed control or prevent the engine from holding a set RPM; replacing it brings control response back to spec.
The Control Base serves as the mounting foundation for the throttle and governor control linkage on Honda's GX-series horizontal shaft engines. It provides the structural anchor point that keeps the control components correctly positioned and moving in their intended range of motion. When this base is cracked, broken, or missing, the engine's speed regulation becomes unpredictable — replacing it is essential to restoring stable, controlled operation.
Part Details
| Part Number | 16580-Z5T-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Control Base |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX340, GX390 | 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.
