The Honda 18310-ZDF-800 Muffler is a genuine OEM replacement designed for GXV50 vertical shaft engines and WX15 water pumps. As a factory-sourced component, it is manufactured to the same specifications as the original part, ensuring a direct-fit installation with no guesswork. This muffler is confirmed for the GXV50 and WX15 — verify your unit's serial number against the fitment table to confirm this is the correct part for your machine.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this muffler is built to the same standards as the part that left the factory, ensuring proper exhaust flow and sound attenuation for your engine.
- Direct-Fit Replacement — engineered to match the original mounting points and outlet dimensions on GXV50 vertical shaft engines and WX15 water pumps, so installation is straightforward.
- Mixed-Fitment Awareness — this part appears across both the GXV50 engine and the WX15 water pump; confirm your serial number against the fitment table before ordering to ensure you have the correct configuration.
- Exhaust Integrity — a worn or damaged muffler allows excessive exhaust noise, reduces back-pressure balance, and can expose operators to harmful exhaust gases; replacing it promptly restores correct exhaust management.
The muffler is the final stage of the exhaust system, channeling hot combustion gases away from the engine and reducing the noise produced during each exhaust stroke. On small engines like the GXV50 and the engine powering the WX15 water pump, the muffler also provides a degree of back-pressure that supports efficient combustion. When a muffler cracks, corrodes, or becomes blocked, exhaust noise increases sharply, engine performance can degrade, and unfiltered exhaust gases may escape in unintended directions — all signs that the component needs immediate replacement.
Part Details
| Part Number | 18310-ZDF-800 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Vertical Shaft Engine | GXV50 | All |
| Water Pump | WX15 | 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.
