The Honda 18310-883-N00 Muffler is a genuine OEM replacement built for G200 horizontal shaft engines, GV200 vertical shaft engines, and WA30, WB20, and WB30 water pumps. As a direct OEM replacement, this muffler is manufactured to Honda's original design, ensuring it seats and seals correctly without improvised fitment. Honda supersedes parts at production breaks, so confirm your machine's serial number against the fitment table before ordering. This muffler is the right call when the original is cracked, corroded, or no longer suppressing exhaust noise effectively.
Key Features
- Genuine Honda OEM Part — manufactured to the same specification as the original, ensuring correct exhaust routing, port alignment, and mounting geometry on your G200 engine, GV200 engine, or WA30, WB20, and WB30 water pump
- Broad Fitment Across Honda Lines — covers G200 horizontal shaft engines, GV200 vertical shaft engines, and the WA30, WB20, and WB30 water pump models; use the fitment table to match part number 18310-883-N00 to your unit
- Serial Number Verification Recommended — Honda updates exhaust components at production serial breaks; always cross-reference your machine's serial number with the compatibility table to confirm this is the correct muffler for your build
- Restores Proper Exhaust Performance — a cracked or deteriorated muffler allows uncontrolled exhaust discharge and increases operating noise; replacing it with this OEM unit returns the engine or pump to its normal exhaust tone and flow characteristics
The muffler is the final stage of the exhaust system, directing spent combustion gases away from the engine and reducing the noise produced during each exhaust stroke. It works by routing hot exhaust through a series of internal chambers that dissipate pressure and dampen sound before gases exit to atmosphere. When a muffler cracks, corrodes, or develops a loose baffle, exhaust noise rises sharply, hot gases can escape toward the operator or nearby equipment, and back-pressure changes can affect engine performance — making timely replacement an important part of routine maintenance on any of the Honda engines and water pumps this part is designed to serve.
Part Details
| Part Number | 18310-883-N00 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | G200 | 1000001-1428861 |
| Vertical Shaft Engine | GV200 | All |
| Water Pump | WA30 | 1012895-9999999 |
| Water Pump | WB20, WB30 | 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.