The Honda 16110-Z5T-W02 Carburetor Set is a genuine OEM replacement designed for GX390 horizontal shaft engines. Sourced directly from Honda, this carburetor set carries the exact calibration and component specifications Honda engineers built into the GX390 from the factory. If your engine is running rough, hunting at idle, or refusing to start, this is the direct-fit service part to restore proper fuel delivery. Always confirm your engine's serial number against the fitment table before ordering, as Honda updates part numbers at production breaks.
Key Features
- Correct Jetting and Fuel Metering — as a genuine OEM carburetor set, this unit carries Honda's calibrated jets, needle position, and emulsion circuits matched specifically to the GX390 displacement and air/fuel requirements — not a one-size approximation.
- Complete Set — supplied as a set with the necessary components for a thorough carburetor service, reducing the chance of leaving worn internal parts behind during a rebuild.
- Direct OEM Fitment for GX390 Engines — engineered to seat and connect exactly as the original unit did, with no rework needed to mate with the GX390 intake and throttle linkage.
- Serial Number Verification Recommended — Honda revises carburetor specifications across production runs of the GX390, so cross-checking your engine serial number against the fitment table ensures this is the correct set for your unit.
- Restored Throttle Response and Idle Stability — a worn or gummed carburetor causes hard starting, erratic idle, and poor load response; a fresh OEM set brings fuel delivery back to Honda's original performance standard.
The carburetor is responsible for mixing air and fuel in the precise ratio the engine needs to start cleanly, idle smoothly, and deliver consistent power under load. On a GX390 horizontal shaft engine, the carburetor meters fuel through calibrated jets and passages, responding to throttle demand and ambient conditions. When the carburetor becomes clogged with varnish deposits, worn internally, or damaged, the engine stumbles, loses power, or fails to run — replacing the full carburetor set rather than cleaning individual components is often the most reliable path back to consistent operation.
Part Details
| Part Number | 16110-Z5T-W02 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Set |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX390 | 1126333-1698869 |
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.
