The Honda 18310-ZL8-010 Muffler is a genuine OEM replacement designed for GC135, GC160, and GC190 horizontal shaft engines, EN2000 and EN2500 generators, WN20 and WN30 water pumps, and FG400 and FG500 tillers. As a direct Honda OEM component, this muffler is manufactured to the exact specifications of the original, ensuring a proper fit across the full range of compatible models. Verify your unit's serial number against the fitment table before ordering.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this muffler matches the original in every dimension and port configuration, so installation goes straight in without rework or adaptation.
- Exhaust Flow and Sound Attenuation — engineered to manage backpressure and reduce exhaust noise to the levels Honda specifies; a cracked or deteriorated muffler disrupts both, causing rough running and excessive noise.
- Broad Model Coverage — fits GC135, GC160, and GC190 horizontal shaft engines, EN2000 and EN2500 generators, WN20 and WN30 water pumps, and FG400 and FG500 tillers.
- Serial Number Verification Recommended — Honda supersedes muffler part numbers at production breaks; confirm your machine's serial number against the fitment table to ensure this is the correct part for your specific unit.
A muffler routes hot exhaust gases away from the engine and reduces the noise produced during combustion. It works by channeling exhaust through a series of internal chambers that dissipate pressure and absorb sound before gases exit to the atmosphere. When a muffler cracks, corrodes, or becomes blocked, exhaust backpressure builds up, robbing the engine of power and causing it to run rough; in severe cases, heat damage to surrounding components can follow. Replacing a failed muffler with a genuine Honda part restores proper exhaust scavenging and brings noise levels back in line with the original design.
Part Details
| Part Number | 18310-ZL8-010 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EN2000, EN2500 | All |
| Horizontal Shaft Engine | GC190 | 1000001-1448199 |
| Horizontal Shaft Engine | GC135, GC160 | All |
| Tiller | FG400, FG500 | All |
| Water Pump | WN20, WN30 | 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.
