The Honda 16212-Z2E-000 Insulator Gasket is a genuine OEM replacement designed for GX440 horizontal shaft engines. As a direct Honda OEM part, it is manufactured to the same standards as the original component it replaces, ensuring a correct, consistent seal between the carburetor insulator and the engine. If your GX440 engine is running rough, showing signs of air leaks, or has been opened up for carburetor service, replacing this gasket as part of the job is the right call.
Key Features
- Genuine Honda OEM Quality — sourced directly from Honda, this gasket delivers the exact material grade and dimensional profile needed to form a proper seal at the carburetor-to-insulator interface on the GX440 engine
- Direct OEM Replacement — engineered to match the original part with no trimming or modification needed; installs exactly like the part that came off the engine
- GX440 Fitment — designed specifically for GX440 horizontal shaft engines; confirm your engine's serial number against the fitment table before ordering, as Honda updates part numbers at serial breaks
- Leak Prevention — a compromised insulator gasket allows unmetered air into the intake tract, leaning out the fuel mixture and causing rough running, hard starts, or erratic idle; a fresh OEM gasket restores a tight, consistent seal
The Insulator Gasket seals the joint between the carburetor insulator block and the engine on the GX440 horizontal shaft engine, preventing air from entering the intake tract outside of the carburetor's metered flow. Even a small leak at this joint disrupts the fuel-to-air ratio the carburetor is calibrated to deliver, resulting in lean-running symptoms such as surging, hard starting, or an unstable idle. Whenever the carburetor or insulator is removed for service, replacing this gasket ensures the joint is restored to a properly sealed condition.
Part Details
| Part Number | 16212-Z2E-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Insulator Gasket |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX440 | 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.
