Description
Overview:
The Gasket/Packing Carburettor for Honda GX340, GXV340 and GX390 engines is a Genuine Honda sealing gasket designed to sit between the carburettor and the intake. Made from a durable, fuel‐resistant fibre composite, it maintains a tight, leak‐free joint to preserve the correct air-fuel mixture and smooth running. As an OEM component (16221-Z8T-000 / 16221Z8T000), it matches the original profile and thickness specified by Honda for consistent fit and performance. Suited to engines used in generators, pumps and other machinery, it is an essential service item when refitting or rebuilding the carburettor on GX340 or GX390 machines. Using the correct gasket helps prevent air leaks that can cause hard starting, erratic idle, surging and power loss.
Key Features:
- Genuine Honda OEM gasket (16221-Z8T-000) for assured compatibility and reliability
- Precisely cut to the Honda pattern for GX340, GXV340 and GX390 engines
- Fuel- and oil-resistant fibre material suitable for modern pump fuel, including E10
- Provides a secure seal between carburettor and intake to prevent leaks
- Helps restore steady idle, clean acceleration and consistent performance
- Heat and vibration resistant for dependable, long service life
- Direct replacement part; no modifications required
- Installs with standard studs/spacers; straightforward fit with basic hand tools
- Recommended whenever the carburettor is removed or serviced
Typical Applications:
Used during carburettor servicing, replacement or engine rebuilds on Honda GX340/GXV340/GX390 powered equipment. Common on portable generators, water pumps, snow blowers, pressure washers, compactors, and various garden and construction machines. Ideal for resolving intake air leaks, restoring stable running after storage, and maintaining engine efficiency in daily use.
Also known as:
Carburettor packing, carb gasket, intake gasket, carb-to-manifold gasket, carburettor seal, carb insulator gasket, manifold packing, engine intake seal, carb flange gasket for Honda GX340/GXV340/GX390 series engines.
Fits Models:
EB5000XK2, EM5000IS, EM5000IS1, EM5000SXK2, EZ5000, GX340, GX340T1, GX340T2, GX340UT1, GX390, GXV340, GXV340RT2, HS1132, WT40XK2
Alternate Part Numbers:
16221-Z8T-000, 16221Z8T000
Product Specifications
| L&S Part No. | 16221 Z8T 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 16221Z8T000 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Key Features | - Genuine Honda OEM gasket for GX340, GXV340, GX390 engines - Fuel- and oil-resistant fibre composite material - Provides secure seal to prevent air leaks - Heat and vibration resistant for long service life - Direct replacement; no modifications required |
| Fits Models | GX340UT1 (GCAVT) | GX340T1 (GCAWT) | GX340T2 (GCBFT) | GXV340RT2 (GJACT) |
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