The Honda 18381-ZA8-800 Muffler Gasket is a genuine OEM component designed for EM650 and EX650 generators. As a direct Honda OEM part, this muffler gasket is manufactured to the same specifications as the original, ensuring a proper seal at the exhaust interface. This part is the correct replacement for EM650 and EX650 generators — confirm your model and serial number against the fitment table before ordering, as Honda updates parts at production breaks.
Key Features
- Genuine OEM Exhaust Seal — manufactured by Honda to the same specification as the original gasket, delivering the sealing integrity the exhaust joint depends on
- Direct OEM Replacement — designed to drop into place at the muffler joint without modification, restoring the original fit for EM650 and EX650 generators
- Serial Number Verification Recommended — Honda supersedes parts at production breaks, so cross-check your generator's serial number against the fitment table to confirm this is the correct gasket for your unit
- Exhaust Integrity Matters — a failed or deteriorated muffler gasket allows exhaust gases to escape at the joint, reducing muffler efficiency and producing audible exhaust leaks at the generator's exhaust outlet
The muffler gasket forms a gas-tight seal between the engine's exhaust port and the muffler on the EM650 and EX650 generators. It prevents hot exhaust gases from leaking at the joint, which is critical for keeping the muffler working as intended and maintaining normal exhaust noise levels. When this gasket burns through or deteriorates, exhaust gases escape the joint, resulting in a noticeable increase in exhaust noise and the potential for soot deposits around the muffler mounting area.
Part Details
| Part Number | 18381-ZA8-800 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler Gasket |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX650 | 1079012-9999999 |
| Generator | EM650 | 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.
