The Honda 18310-ZDF-810 Muffler is a genuine OEM replacement designed for GXH50 horizontal shaft engines and GXV57 vertical shaft engines. As a direct Honda OEM component, this muffler is built to the same specifications as the original part it replaces, ensuring a correct fit and proper exhaust function. Confirm your engine's serial number against the fitment table before ordering, as Honda periodically supersedes exhaust components at serial breaks. This muffler is the right choice when the original has corroded, cracked, or been damaged beyond service.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this muffler matches the original exhaust outlet geometry and mounting interface for the GXH50 and GXV57 engines
- Correct Exhaust Tuning — OEM mufflers maintain the back-pressure and flow characteristics Honda engineered into these small-displacement engines, preserving output and fuel efficiency
- Dual-Orientation Fitment — covers both the GXH50 horizontal shaft and GXV57 vertical shaft engine families; verify your model and serial number to confirm this is the right unit for your engine
- Check Your Serial Number — Honda supersedes exhaust parts at production breaks, so match your engine's serial number to the fitment table before purchasing
The muffler is the final stage of the engine's exhaust system. Hot exhaust gases exit the cylinder head and pass through the muffler, which dampens combustion noise and directs spent gases safely away from the operator and the equipment it powers. A cracked, corroded, or blocked muffler raises exhaust noise significantly, can restrict engine breathing enough to reduce power, and may allow hot gases to escape in unintended directions — all signs that replacement is overdue.
Part Details
| Part Number | 18310-ZDF-810 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GXH50 | All |
| Vertical Shaft Engine | GXV57 | 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.