Description
Overview:
This is a genuine Honda exhaust/muffler gasket for small petrol engines, designed to seal the joint between the cylinder head exhaust port and the muffler (silencer). Built from heat‐resistant composite material to cope with high temperatures and vibration, it prevents exhaust leaks that can affect performance, noise, and operator comfort. It is an OEM fit for Honda GX160H1 and GX200H engines commonly found in compactors, generators, water pumps, pressure washers, and other construction and garden machinery. The gasket's precise port shape and two‐bolt flange pattern match the original components for a clean, reliable seal and consistent backpressure. Part number 18381-Z1T-003 provides the correct fit and finish expected from Honda, helping maintain engine efficiency and longevity.
Key Features:
- Genuine Honda part for correct fit and reliable sealing on GX160H1 and GX200H engines
- Heat‐resistant composite construction for durability under high exhaust temperatures
- Forms a tight seal to prevent blow‐by, soot deposits, fumes, and excess noise
- Maintains engine performance, fuel efficiency, and proper exhaust backpressure
- Precisely cut port and bolt pattern for straightforward alignment
- Resists crushing and leakage through repeated heat cycles and vibration
- Fits with standard OEM studs, nuts, and muffler hardware-no modifications needed
- Ideal for replacement whenever the muffler is removed or refitted to avoid leaks
- Supports reliable operation in commercial and rental equipment environments
- Honda reference: 18381-Z1T-003 (OEM specification)
Typical Applications:
Used when fitting or refitting the muffler on Honda GX160H1 and GX200H engines in equipment such as plate compactors, generators, pumps, pressure washers, tillers, and mixers. Suitable for solving exhaust leak issues, restoring performance after maintenance, and preventing fumes near operators.
Also known as:
Exhaust gasket, muffler gasket, silencer gasket, exhaust flange gasket, exhaust manifold gasket, outlet gasket, exhaust port seal.
Fits Models:
GX160H1, GX200H
Alternate Part Numbers:
18381-Z1T-003, 18381Z1T003
Product Specifications
| L&S Part No. | 18381 Z1T 003 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 18381Z1T003 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Key Features | - Genuine Honda part for GX160H1 and GX200H engines - Heat‐resistant composite construction for high temperatures - Precise port and bolt pattern for easy alignment - Prevents exhaust leaks, maintaining performance and efficiency - Fits with standard OEM studs and muffler hardware |
| Fits Models | GX160H1 (GCAAH) | GX200H (GCARH) |

