The Honda 18310-Z4M-V50 Muffler is a genuine OEM component designed for GX120 and GX160 horizontal shaft engines. As a direct Honda replacement, this muffler is manufactured to the same specifications as the original part, ensuring proper exhaust flow and a correct, hassle-free installation. Confirm your engine's serial number against the fitment table before ordering, as Honda updates parts at production breaks and more than one muffler may be listed for these engines.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this muffler meets the exact exhaust geometry and back-pressure characteristics the GX120 and GX160 engines are designed around
- Direct-Fit Replacement — engineered to swap in place of the original unit with no cutting or adapting, so the engine is back in service quickly
- GX120 and GX160 Fitment — confirmed for GX120 and GX160 horizontal shaft engines; verify your serial number against the fitment table to ensure this is the correct variant for your production run
- Exhaust Integrity — a properly functioning muffler controls exhaust noise and directs hot gases safely away from the engine; a cracked or deteriorated muffler raises noise levels and can allow exhaust heat to affect nearby components
The muffler collects exhaust gases from the engine's cylinder head and routes them out of the engine while dampening the sound produced by combustion. It is engineered to balance back pressure against noise reduction, allowing the engine to breathe efficiently without excessive exhaust roar. When a muffler cracks, corrodes, or loses its baffling, exhaust noise rises sharply, heat management around the engine is compromised, and the engine may run less cleanly as back pressure changes.
Part Details
| Part Number | 18310-Z4M-V50 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX120 | 1000001-1148516 |
| Horizontal Shaft Engine | GX160 | 1000001-1595746 |
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.
