The Honda 16011-ZN1-801 Float Valve Set is a genuine OEM component designed for GX670 horizontal shaft engines and GXV620 and GXV670 vertical shaft engines. As a direct OEM replacement sourced from Honda, this Float Valve Set is manufactured to the exact specifications required for proper fuel bowl regulation across all covered engine models. Confirm the part number 16011-ZN1-801 against your engine's serial number and model type before ordering, as Honda supersedes parts at production breaks.
Key Features
- Correct Fuel Metering — genuine Honda OEM construction ensures the needle and seat geometry precisely matches the carburettor float bowl design, maintaining consistent fuel delivery under load
- Direct OEM Replacement — engineered to install exactly as the original, restoring proper float bowl function without modification to the carburettor body
- Broad Engine Coverage — fits GX670 horizontal shaft engines and GXV620 and GXV670 vertical shaft engines, spanning Honda's large-displacement V-twin engine range
- Serial Number Verification Recommended — Honda updates parts at production serial breaks, so cross-check your engine's serial number against the fitment table to confirm this set is correct for your unit
The float valve set sits inside the carburetor float bowl and controls the fuel level entering the carburettor. The float rises with the fuel level and presses the needle valve against its seat to shut off incoming fuel; as the engine consumes fuel and the level drops, the float descends and allows fuel to flow again. When the needle tip wears or the seat becomes damaged, fuel can overflow into the intake or starve the engine entirely — causing flooding, hard starting, or erratic running. Replacing the float valve set restores the tight shutoff the carburettor depends on to regulate fuel consistently across all operating speeds.
Part Details
| Part Number | 16011-ZN1-801 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Float Valve Set |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX670 | All |
| Vertical Shaft Engine | GXV620, GXV670 | 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.
