The Honda 16500-ZH7-U42 is a genuine OEM Control Assembly (Sakai) designed for GX120 horizontal shaft engines. Sourced directly from Honda, this assembly carries the exact specifications required for proper throttle and governor control on the GX120. The (Sakai) designation identifies this as a variant-specific assembly — confirm that this variant matches your unit before ordering.
Key Features
- Genuine Honda OEM — manufactured to Honda's exact specifications for the GX120 engine, ensuring correct throttle response and governor interaction without guesswork on fit.
- Variant-Specific Fitment — the (Sakai) designation identifies this as a specific control assembly variant; verify this matches your GX120 before purchasing, as other variants are not interchangeable.
- Direct OEM Replacement — replaces the original assembly part for part on GX120 horizontal shaft engines, with no modifications needed to the control linkage.
- Serial Number Awareness — Honda supersedes parts at production breaks; check the serial number on your GX120 against the fitment table to confirm part number 16500-ZH7-U42 is correct for your engine.
The control assembly on a GX120 horizontal shaft engine manages the connection between the throttle input and the governor, regulating engine speed under varying load conditions. It coordinates the mechanical linkage that keeps the engine running at a steady, controlled speed — whether the equipment is idling or working under full load. When this assembly wears, binds, or becomes damaged, the engine may surge, hunt for RPM, or fail to hold a consistent speed, reducing the effectiveness of the equipment it powers.
Part Details
| Part Number | 16500-ZH7-U42 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Control Assembly (Sakai) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX120 | 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.
