The Honda 16100-Z5T-WF1 is a genuine OEM Carburetor Assembly (BEC1A A) designed for GX390 horizontal shaft engines. As a direct Honda OEM replacement, this carburetor assembly carries the exact calibration — jetting, metering, and circuit geometry — specified for the GX390 platform, ensuring the engine runs as Honda engineered it. Confirm the BEC1A A variant matches your unit before ordering, as multiple carburetor assemblies are catalogued for the GX390 series.
Key Features
- Exact OEM Jetting and Fuel Metering — manufactured to Honda's original specifications, this carburetor assembly delivers the precise air-fuel ratio the GX390 engine requires for consistent starting and smooth operation under load.
- Variant-Specific Fitment — the BEC1A A designation identifies this as a specific carburetor variant within the GX390 range; match this code to your engine's parts list or existing carburetor before purchasing.
- Direct OEM Replacement — sourced directly from Honda, this assembly installs in place of the original unit with no adaptation, preserving all throttle linkage and choke connections as originally configured.
- Serial Number Verification Recommended — Honda supersedes carburetor assemblies at production breaks, so cross-check your GX390 engine serial number against the fitment table to confirm this is the correct assembly for your unit.
- Restores Full Engine Performance — a worn or degraded carburetor causes hard starting, rough idling, poor throttle response, and increased fuel consumption; replacing it with this genuine assembly returns the GX390 to its rated output.
The carburetor is responsible for blending fuel and air in the correct proportion before the mixture enters the engine's combustion chamber. On a GX390 horizontal shaft engine, the carburetor controls idle quality, throttle response, and fuel consumption across the full operating range. When a carburetor wears, clogs, or develops internal leaks, the engine typically becomes difficult to start, runs unevenly, surges at governed speed, or floods — symptoms that a correctly specified replacement assembly resolves directly.
Part Details
| Part Number | 16100-Z5T-WF1 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly (BEC1A A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX390 | 2144434-9999999 |
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.
