The Honda 16211-Z8T-000 Carburetor Insulator is a genuine OEM heat-isolating spacer designed for the GX340 horizontal shaft engine. As a direct Honda OEM component, this part is manufactured to the exact specification of the original, ensuring proper fit between the carburetor and the cylinder head without modification. Confirm your engine's serial number against the fitment table to make sure part number 16211-Z8T-000 is correct for your specific unit before ordering.
Key Features
- Genuine OEM Heat Isolation — sourced directly from Honda, this insulator is engineered to maintain the correct thermal barrier between the carburetor body and the cylinder head, protecting fuel metering from heat soak that can cause hard starting and rough running.
- Direct-Fit Replacement — built to the original dimensions and mounting profile, this part installs into the GX340 engine the same way the factory original does, with no reworking required.
- GX340 Fitment — designed specifically for the Honda GX340 horizontal shaft engine; verify your serial number against the compatibility table to confirm the correct application for your unit.
The carburetor insulator is a heat-isolating spacer mounted between the carburetor and the engine's intake port on the cylinder head. Its job is to limit the transfer of engine heat into the carburetor body, preventing the fuel inside from vaporizing prematurely — a condition known as heat soak or vapor lock that leads to hard starting, stalling, and erratic idling. When the insulator cracks, warps, or deteriorates, it can also allow an air leak at that joint, leaning out the fuel mixture and causing the engine to run poorly or not at all. Replacing a damaged insulator restores the correct sealing and thermal separation the carburetor needs to meter fuel accurately.
Part Details
| Part Number | 16211-Z8T-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Insulator |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX340 | 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.
