The Honda 18310-ZK8-V50 Muffler (Black) is a genuine OEM component designed for GX120 and GX160 horizontal shaft engines. As a direct Honda OEM part, it is manufactured to the same specification as the original unit, ensuring a correct fit without adaptation. Honda supersedes parts at serial-number breaks, so confirm your engine's serial number against the fitment table before ordering to make sure part number 18310-ZK8-V50 is the right muffler for your specific unit. The black finish matches the factory appearance of the engines it serves.
Key Features
- Genuine OEM Exhaust Construction — sourced directly from Honda, this muffler meets the same exhaust backpressure and flow specifications as the original, keeping combustion efficiency where it needs to be on GX120 and GX160 engines.
- Correct Black Finish — the (Black) designation identifies this specific color variant; confirm your original muffler color before ordering, as Honda lists this model in more than one finish.
- Direct OEM Replacement — engineered to drop into the existing exhaust mounting position on GX120 and GX160 horizontal shaft engines with no modification required to the exhaust port or surrounding hardware.
- Serial Number Matters — Honda updates part applications at production serial breaks; cross-reference your engine serial number with the compatibility table to confirm part number 18310-ZK8-V50 applies to your engine's build.
A muffler reduces the sound and pressure of exhaust gases leaving the engine after combustion, channeling spent gases away from the cylinder head and dampening the noise produced by each power stroke. On GX120 and GX160 horizontal shaft engines, the muffler also contributes to correct exhaust backpressure, which affects how efficiently the engine scavenges burned gases from the combustion chamber. A cracked, rusted, or blocked muffler raises noise levels, can cause the engine to run poorly due to altered backpressure, and may direct hot exhaust gases toward surrounding components — making timely replacement important for continued smooth operation.
Part Details
| Part Number | 18310-ZK8-V50 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Muffler (Black) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX120, GX160 | 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.
