The Honda 16110-Z5T-W11 Carburetor Set is a genuine OEM replacement designed for GX390 horizontal shaft engines. As a direct Honda OEM component, this Carburetor Set is manufactured to the same specifications as the original unit, ensuring the correct jetting, needle settings, and fuel metering for the GX390. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes carburetor parts at specific serial breaks within the GX390 line.
Key Features
- Correct Fuel Metering — genuine OEM construction means the jets, emulsion circuits, and needle positions are calibrated specifically for the GX390, so the engine starts cleanly and runs at the right air-fuel ratio across the throttle range.
- Direct OEM Replacement — this Carburetor Set is sourced directly from Honda, matching the original mounting interface and linkage geometry for a straightforward swap without improvisation.
- GX390 Fitment — built exclusively for the GX390 horizontal shaft engine; verify your serial number against the compatibility table to confirm the correct supersession for your unit.
- Restored Engine Response — a worn or gummed carburetor causes hard starting, rough idle, and poor load response; replacing it with this set brings fuel delivery back to spec and restores crisp throttle response under load.
The carburetor is the component responsible for blending fuel and air in the precise ratio the engine needs to start and run under varying loads. On the GX390, the carburetor draws fuel from the tank, meters it through calibrated jets, and mixes it with incoming air before delivering the charge to the combustion chamber. When a carburetor degrades — through varnish buildup, worn jets, or cracked passageways — the engine struggles to start, hunts at idle, or loses power under load. Replacing the assembly with a complete genuine OEM Carburetor Set restores accurate fuel delivery and brings the engine back to its designed operating condition.
Part Details
| Part Number | 16110-Z5T-W11 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Set |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX390 | 1698870-2999999 |
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.