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SKU:
NLT1C00425
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Muffler and Exhaust Manifold Kit for Honda GX340 GX390 | 18310-ZE2-W61
$59.99
In Stock
$59.99
Sale price
$59.99
Regular price
This aftermarket muffler kit replaces 18310-ZE2-W61 for compatible Honda GX340 11 HP and GX390 13 HP engines and includes the matching manifold and nuts.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Honda GX340 11 HP engines with matching exhaust layout
- Honda GX390 13 HP engines with matching exhaust layout
- Generators, pressure washers, pumps, and equipment using a compatible GX340/GX390 installation
Product Overview
A rusted-through muffler, broken inlet, or missing heat shield makes an industrial engine louder and can direct hot exhaust toward equipment, wiring, or the operator. This kit restores the exhaust path on compatible horizontal-shaft GX engines while providing the manifold hardware needed for the listed arrangement.
It is built for the point in the repair when symptoms have been checked and the replacement itself must match. Match the cylinder-head bolt spacing, outlet direction, shield clearance, frame space, and original muffler reference.
Key Features & Performance
- Muffler with protective heat-shield design
- Matching exhaust manifold included
- Mounting nuts included as listed
- Restores directed exhaust flow and noise control
- Fits common GX340/GX390 equipment layouts when clearance matches
Replaces Part Numbers
- 18310-ZE2-W61
- 18310ZE2W61
Common Uses
- Replacing a muffler with rust holes
- Repairing a cracked exhaust inlet or flange
- Restoring heat shielding after equipment damage
- Completing a replacement GX engine installation
Technical Specifications
- Product Type: Muffler and Manifold Kit
- Engines: Honda GX340/GX390
- Power Reference: 11 HP/13 HP
- Included: Muffler, Manifold, Nuts
- Replacement Type: Aftermarket
Installation & Fitment
- Work only on a cold engine
- Inspect exhaust studs, gasket surface, and surrounding equipment
- Use the correct exhaust gasket if required
- Tighten fasteners evenly without stressing the casting
- Operate outdoors and verify exhaust is directed away from fuel, wiring, and the operator
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown. Match the cylinder-head bolt spacing, outlet direction, shield clearance, frame space, and original muffler reference.
Frequently Asked Questions
Q: Can this muffler be used indoors? A: No engine exhaust is safe indoors; carbon monoxide can kill without warning.
Q: Does it fit every GX390-powered machine? A: The engine may match while the equipment frame blocks the outlet, so verify clearance and orientation.
Q: Why replace a cracked muffler promptly? A: Escaping hot gas can damage nearby parts and increases noise and burn risk.
Part Summary
keywords: Honda GX390 muffler replacement, GX340 exhaust manifold kit, 18310-ZE2-W61 muffler fit, 13HP Honda engine exhaust, generator pressure washer muffler kit
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.