The Honda 18381-Z0T-811 Muffler Gasket is a genuine OEM Muffler Gasket designed for GX160 and GX200 horizontal shaft engines. As a direct Honda OEM component, this gasket is manufactured to the exact specification required for a proper exhaust seal on these engines. This part is a correct fitment for GX160 and GX200 engines — always confirm your engine's serial number against the fitment table before ordering, as Honda periodically supersedes parts at serial number breaks.
Key Features
- Exhaust Sealing Integrity — manufactured to the OEM specification that ensures a complete, leak-free seal between the muffler and the exhaust port, preventing combustion gases from escaping at the joint
- Genuine Honda OEM Part — sourced directly from Honda, this gasket carries part number 18381-Z0T-811 and is built to the same standard as the original component installed at the factory
- GX160 and GX200 Fitment — designed specifically for GX160 and GX200 horizontal shaft engines; verify your serial number against the compatibility table to confirm the correct fit for your unit
- Restore Exhaust Performance — a failed or compressed muffler gasket allows exhaust gases to bypass the seal, causing noise, power loss, and potential heat damage to surrounding components; replacing it restores proper exhaust flow and engine operation
The Muffler Gasket sits between the muffler flange and the exhaust port on the engine cylinder head, creating a gas-tight seal that contains hot exhaust gases and directs them through the muffler. This seal is critical to engine efficiency — any leak at this joint allows exhaust gases to escape before they pass through the muffler, increasing noise levels and reducing back-pressure consistency. Over time, the gasket compresses and deteriorates from heat cycling, eventually allowing gases to bypass the seal; replacing a worn Muffler Gasket with a genuine OEM part restores the exhaust system to proper working order.
Part Details
| Part Number | 18381-Z0T-811 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler Gasket |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX160, GX200 | 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.