The Honda 16100-Z9E-803 is a genuine OEM Carburetor Assembly (BK07C C) designed for GX630, GX660, and GX690 horizontal shaft engines. As a direct Honda OEM component, this carburetor is built to the exact specifications Honda engineers set for these large-displacement engines, ensuring correct fuel metering, air-fuel ratio, and throttle response right out of the box. This assembly is the correct replacement when your original carburetor is worn, damaged, or causing hard starting, rough running, or fuel delivery issues. Always verify your engine serial number against the fitment table before ordering, as Honda supersedes parts at specific serial breaks.
Key Features
- Correct Fuel Metering — genuine OEM jetting and calibration matched to the fuel delivery demands of the GX630, GX660, and GX690 engines, restoring proper air-fuel ratio and throttle response
- Direct OEM Replacement — this carburetor assembly installs directly in place of the original unit with no alterations needed, carrying the BK07C C specification that identifies it within Honda's carburetor lineup
- Broad GX-Series Fitment — covers GX630, GX660, and GX690 horizontal shaft engines, including the high-displacement commercial models where carburetor precision is critical to sustained output
- Serial Number Verification Recommended — Honda updates carburetor part numbers at production serial breaks; confirm your engine serial number against the fitment table to ensure this is the correct assembly for your unit
- Restores Full Engine Performance — a worn or failing carburetor causes hard starting, hunting at idle, and loss of power under load; replacing it with this OEM assembly brings fuel delivery back to spec
A carburetor controls the mixture of fuel and air delivered to the engine's combustion chamber. It meters the correct amount of fuel for a given throttle position and load, allowing the engine to start reliably, idle smoothly, and develop full power under demand. On large-displacement engines such as the GX630, GX660, and GX690, precise carburetion is especially important because these engines are typically working at sustained loads in commercial applications. When a carburetor wears out or its internal passages become restricted by deposits, the engine struggles to start, runs unevenly, surges at idle, or loses power — problems that a genuine OEM replacement assembly directly addresses by restoring the original fuel delivery calibration.
Part Details
| Part Number | 16100-Z9E-803 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly (BK07C C) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX630, GX660, GX690 | 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.
