The Honda 18381-883-800 Muffler Gasket is a genuine OEM replacement designed for a wide range of Honda generators, tillers, horizontal and vertical shaft engines, lawn mowers, snow blowers, and water pumps. This part covers an extensive fitment list including E1500, ED1000, EG1000, EG1400, EG1500, EM1600, EM1800, EM2200 generators, F400, F500, FR500, FR700 tillers, G150 and G200 horizontal shaft engines, GV150 and GV200 vertical shaft engines, HR21 and HRA21 lawn mowers, HS35 single-stage and HS50 two-stage snow blowers, and WA20, WA30, WB20, WB30, and WT20 water pumps. Because Honda supersedes parts at serial-number breaks, confirm your unit's serial number against the fitment table before ordering. As a genuine Honda part, it is manufactured to the same specification as the original component it replaces.
Key Features
- Genuine OEM Sealing Integrity — manufactured by Honda to the same material grade and clamping specification as the original, ensuring a gas-tight seal at the muffler joint rather than the compression leaks an aftermarket substitute may allow.
- Direct-Fit Replacement — engineered to match the original flange geometry so this muffler gasket drops into place without modification on compatible Honda units.
- Broad Cross-Equipment Compatibility — a single part number covers generators, tillers, horizontal and vertical shaft engines, lawn mowers, single-stage and two-stage snow blowers, and water pumps including the G150, G200, GV150, GV200, EM2200, FR700, HS35, HS50, WB20, WB30, and others in the fitment list.
- Serial Number Verification Recommended — Honda revises parts at production breaks, so check your machine's serial number against the compatibility table to confirm part number 18381-883-800 is correct for your specific unit.
A muffler gasket seals the joint between the exhaust port and the muffler, preventing hot exhaust gases from escaping before they reach the silencing chamber. When this seal is intact, the engine exhausts cleanly and quietly through the intended path. When the gasket deteriorates or burns through, exhaust gases leak at the joint, producing a loud ticking or hissing at startup and under load, and allowing carbon deposits to build up around the exhaust flange — accelerating wear on surrounding components and making the machine noticeably louder in operation.
Part Details
| Part Number | 18381-883-800 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler Gasket |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | E1500, ED1000, EG1000, EG1400, EG1500, EM1600, EM1800, EM2200 | All |
| Horizontal Shaft Engine | G200 | 1543278-9999999 |
| Horizontal Shaft Engine | G150 | All |
| Lawn Mower | HR21, HRA21 | All |
| Single-Stage Snow Blower | HS35 | All |
| Tiller | F400, F500, FR500, FR700 | All |
| Two-Stage Snow Blower | HS50 | All |
| Vertical Shaft Engine | GV150, GV200 | All |
| Water Pump | WA20, WA30, WB20, WB30, WT20 | 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.
