The Honda 18310-Z3V-800 Muffler is a genuine OEM replacement built for GX50 horizontal shaft engines. Sourced directly from Honda, this muffler is manufactured to the same specification as the original unit, ensuring a direct, no-guesswork fit on your GX50 engine. Honda supersedes parts at serial breaks, so confirm your engine serial number against the fitment table before ordering to make sure part number 18310-Z3V-800 is the correct application for your unit.
Key Features
- Genuine OEM Exhaust Integrity — manufactured by Honda to the same specification as the original, ensuring correct exhaust backpressure and gas flow for the GX50 engine.
- Direct OEM Replacement — designed to drop in where the original muffler came out, using existing mounting points on GX50 horizontal shaft engines without rework.
- GX50 Fitment — confirmed for GX50 horizontal shaft engines; check your serial number against the fitment table to verify this is the right part for your serial range.
- Restored Noise and Exhaust Control — a worn or damaged muffler allows unfiltered exhaust noise and hot gases to escape unchecked; a fresh OEM unit brings exhaust tone and thermal management back to Honda's original standard.
The muffler is the final stage of the engine's exhaust system. Hot combustion gases exit the cylinder, pass through the exhaust port, and enter the muffler, where internal chambers and baffles reduce noise and cool the exhaust stream before it exits to atmosphere. On a compact engine like the GX50, the muffler also plays a role in managing backpressure, which directly affects power output and fuel efficiency. When the muffler cracks, corrodes, or becomes blocked, exhaust flow is disrupted, the engine loses performance, and noise levels rise sharply — making prompt replacement important for both the operator and the equipment.
Part Details
| Part Number | 18310-Z3V-800 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX50 | 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.
