The Honda 16044-Z5T-W01 Choke Set is a genuine OEM replacement designed for EB4000, EB5000, and EB6500 generators, EM4000, EM5000, and EM6500 generators, and GX390 horizontal shaft engines. As a direct OEM replacement, this choke set is manufactured to Honda's exact specifications, ensuring the fuel-air mixture is restricted correctly during cold starts. Confirm your model and serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and the correct set varies by production run.
Key Features
- Genuine OEM Choke Control — Honda-sourced component that delivers the correct fuel enrichment geometry for reliable cold-start performance, not an approximation of the original.
- Broad Fitment — covers EB4000, EB5000, EB6500, EM4000, EM5000, and EM6500 generators, as well as GX390 horizontal shaft engines, making it a widely applicable service item.
- Serial Number Verification Recommended — Honda updates choke sets at production breaks; always cross-reference your unit's serial number with the fitment table to confirm this is the right set for your machine.
- Cold-Start Dependability — a worn or damaged choke set prevents proper fuel enrichment, making the engine difficult or impossible to start in cold conditions; this replacement restores that function immediately.
The choke set controls the restriction of airflow into the carburetor during cold starting, allowing a richer fuel-air mixture that helps the engine fire and stabilize before reaching operating temperature. On generators and horizontal shaft engines alike, a correctly functioning choke is essential for quick, consistent starts — particularly in cold weather or after extended storage. When the choke components wear or break, starting becomes unreliable and the engine may require excessive cranking or fail to start altogether.
Part Details
| Part Number | 16044-Z5T-W01 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Choke Set |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB4000, EB5000, EB6500, EM4000, EM5000, EM6500 | All |
| Horizontal Shaft Engine | GX390 | 1000001-1703009 |
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.