---
product_id: 343310966
title: "Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts"
brand: "ruma"
price: "VT19671"
currency: VUV
in_stock: true
reviews_count: 8
url: https://www.desertcart.vu/products/343310966-ruma-muffler-kit-for-honda-gx340-gx390-gx420-11hp-13hp
store_origin: VU
region: Vanuatu
---

# Fits 11-18HP Honda GX engines Complete muffler rebuild kit with manifold & gaskets Compatible with 338cc-440cc engines & clones Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts

**Brand:** ruma
**Price:** VT19671
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your engine’s breath — power, precision, and peak performance in one kit!

## Quick Answers

- **What is this?** Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts by ruma
- **How much does it cost?** VT19671 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/343310966-ruma-muffler-kit-for-honda-gx340-gx390-gx420-11hp-13hp)

## Best For

- ruma enthusiasts

## Why This Product

- Trusted ruma brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Works with a wide range of power tools—pressure washers, snowblowers, log splitters, and more.
- • **OEM-Grade Quality:** Meets or exceeds Honda OEM part numbers for guaranteed durability and performance.
- • **Clone Engine Ready:** Perfect for popular Honda clone engines like Rato, Champion, Loncin, and Harbor Freight Predator.
- • **All-in-One Repair Kit:** Includes exhaust pipe, 2 gaskets, 5 mounting nuts, and spark plug for hassle-free maintenance.
- • **Powerhouse Compatibility:** Seamlessly replaces mufflers for Honda GX340, GX390, GX420 engines powering 11-18HP equipment.

## Overview

The Ruma Muffler Kit is a premium replacement exhaust assembly designed for Honda GX340, GX390, and GX420 engines ranging from 11 to 18 horsepower. This comprehensive kit includes the muffler, exhaust manifold, gaskets, mounting hardware, and a spark plug, ensuring a complete and easy rebuild. Compatible with a broad spectrum of power equipment such as pressure washers, snowblowers, and log splitters, it also fits many Honda clone engines, delivering OEM-level quality and reliability for professional-grade engine maintenance.

## Description

Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts

## Features

- Replaces Honda GX390 exhaust muffler assembly and Honda GX340 exhaust muffler assembly Honda GX420 exhaust muffler assembly for 13hp 11hp 16hp 389cc 390cc 337cc 338cc 340cc 420cc Honda OHV engine motor. Replaces Honda 390GX muffler,340GX muffler, muffler guard, muffler cover, muffler shield or muffler protector part number # 18310-ZE2-W61,18310-ZE2-W62,18310-Z5T-010,18320-Z5T-000
- This exhaust muffler kit includes GX 390 GX 340 Honda 11 hp muffler and Honda 13 hp muffler, exhaust pipe or exhaust manifold, 2 gaskets, 2 mounting studs and 5 nuts,as well as 1 pcs spark plug for the convenience of regular maintenance of your motor. It's complete muffler rebuild kit for honda 11hp 13hp 13.5hp 14hp 15hp 16hp 18hp engines. Everything is prepared for easily reparing your engine motor.
- This Honda 390 muffler and Honda 340 muffler fits many power equipment with Honda GX340 GX390 11hp 13hp engine,including water pump WT40 WT40X WT40XK1 WT40XK2 WT40XK3 , Simpson, Dewalt, Mi-T-M, BE Power, Northstar 3800 psi 4200 psi 4400 psi pressure washer or power waher PS4240 PS4240H ALH4240 60456 60205 61028 61030 65206 65209 DXPW4440 DH4240B, many 37 ton 38 ton 40 ton 45 ton log splitters, chipper shredders, air compressors, snowblowers and more powered by Honda 340 GX 390 GX engine, except generator.
- Replaces Harbor Freight 420cc exhaust muffler assembly for engine 60340 60349 69736. Replaces many other 338cc 389cc 340cc 420cc 437cc 440cc muffler of Honda clone engine, like Rato 420cc engine muffler, Champion 389cc 420cc muffler,,Powerease 420cc muffler, Loncin 389cc 420cc engine muffler, Dewalt 420cc muffler, Simpson CRX420 muffler,Genkins GK420E 420cc muffler, Ducar 389cc muffler, DH420 420cc muffler, BS 420cc muffler and many other 11hp 13hp 13.5hp 14hp 15hp 16hp 18hp engines.
- All items are packed perfectly.Excellent replacement muffler assembly kit for Honda 390 and 340 engine. It is used by many small engine manufacturers on massive production.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Ruma |
| Item dimensions L x W x H | 7.3 x 7.3 x 6.1 inches |
| Vehicle Service Type | Honda GX390 GX340 GX420 and most other 11hp 13hp 14hp 15hp 16hp engine and power equipment |
| Shape | Square |
| UPC | 747492774261 |
| Manufacturer | Ruma |
| OEM Part Number | 18310-ZE2-W61,18310-ZE2-W62,18320-ZE2-W61,18320-ZE2-W62,18320-ZE3-W02,18330-ZE2-W00, 18330-ZH9-N00. |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | Exhaust muffler assembly kit for Honda GX390 GX340 GX420 engine power equipment |
| Item Weight | 4.5 pounds |
| Product Dimensions | 7.3 x 7.3 x 6.1 inches |
| Item model number | HD393 |
| Exterior | Painted |
| Manufacturer Part Number | HD394 |
| Position | Top |

## Product Details

- **Brand:** Ruma
- **Item dimensions L x W x H:** 7.3 x 7.3 x 6.1 inches
- **Vehicle Service Type:** Honda GX390 GX340 GX420 and most other 11hp 13hp 14hp 15hp 16hp engine and power equipment
- **Shape:** Square
- **UPC:** 747492774261

## Images

![Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts - Image 1](https://m.media-amazon.com/images/I/61qG-JphodL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fit perfectly
*by M***T on June 15, 2025*

Fit perfect on a Briggs and stratton XR 420cc 13.5hp motor.

### ⭐⭐⭐⭐⭐ Good
*by A***R on February 23, 2025*

Worked perfect would buy again

### ⭐⭐⭐⭐⭐ Impressed with the kit!
*by C***Y on November 26, 2024*

Bolted right up and works great!

## Frequently Bought Together

- Ruma Muffler Kit for Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Manifold/Exhaust Pipe 2 Gasket 5 Mounting Nuts
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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-09*