--- product_id: 58166240 title: "Muffler Exhaust Kit Assembly Fits Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Head Shield Manifold and Two Gaskets, No nuts" brand: "sutmorly" price: "€ 103.10" currency: EUR in_stock: true reviews_count: 9 category: "Sutmorly" url: https://www.desertcart.hr/products/58166240-muffler-exhaust-kit-assembly-fits-honda-gx340-gx390-gx420-11hp store_origin: HR region: Croatia --- # 8-direction Exhaust Air Deflector for customizable heat deflection Reinforced Welding Tech for durability Seamless Heat Shield for quieter, safer operation Muffler Exhaust Kit Assembly Fits Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Head Shield Manifold and Two Gaskets, No nuts **Brand:** sutmorly **Price:** € 103.10 **Availability:** ✅ In Stock ## Summary > 🔥 Upgrade your engine’s breathability with Sutmorly’s ultimate muffler kit! ## Quick Answers - **What is this?** Muffler Exhaust Kit Assembly Fits Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Head Shield Manifold and Two Gaskets, No nuts by sutmorly - **How much does it cost?** € 103.10 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/58166240-muffler-exhaust-kit-assembly-fits-honda-gx340-gx390-gx420-11hp) ## Best For - sutmorly enthusiasts ## Why This Product - Trusted sutmorly brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quiet & Safe Operation:** Seamless heat shield and anti-flame net reduce noise and prevent fire hazards - • **Complete Kit Convenience:** Includes muffler, head shield manifold, and 2 gaskets for easy installation - • **Durability That Outlasts:** Reinforced Welding Technique ensures studs won’t break under pressure - • **Customizable Heat Deflection:** 8-direction exhaust deflector keeps hot air away from you during use - • **Engineered for Peak Compatibility:** Fits Honda GX340, GX390, GX420 & Harbor Freight 420cc engines flawlessly ## Overview The Sutmorly Muffler Exhaust Kit is a precision-engineered replacement for Honda GX340, GX390, and GX420 engines, as well as Harbor Freight 420cc models. Featuring reinforced welding for enhanced durability, a seamless heat shield for quieter operation, and an 8-direction exhaust deflector for customizable heat management, this kit includes a muffler, head shield manifold, and two gaskets. Designed to fit multiple 4-stroke engines, it’s ideal for water pumps, snowblowers, pressure washers, and more, backed by a 3-month warranty for risk-free upgrades. ## Description Product description Sutmorly Predator 420cc Honda GX390 Engine Muffler Fits Honda GX340 GX390 engine, water pump, pressure washer,compressor, snowblower and more other equipment with GX340 GX390 engine Do NOT fit generator Compatible for Harbor Freight 420cc engine including 60340 60349 69736 Compatible for Honda GX340 GX390 GX420 Compatible for Champion 389cc 420cc 439cc Compatible for 15hp Ducar motor Compatible for 389cc(13hp) / 420cc (15 hp) Lifan Engine Compatible for Loncin 420cc Engine Compatible for 389cc / 420cc Mi-T-M pressure washer Compatible for Chinese 188F 190F 389cc 420cc clone engine Details Make Difference Worry About Heat Shield Disintegrated？ Cheaply made muffler heat sheil weld badly w/ Huge Gap, which would produce more noicse & fall apart after vibration coming from engine Our Muffler Heat Shield welded seamlessly, Durable, Neat & Queiter. Worry About Exhaust Gas Ignited? Insufficiently Combusted Gas Plus Hot Exhaust muffler Equals Fire. With Anti-flame net, the unwanted Fire will be chocked inside the muffler. Worry About mounting nuts broken？ Cheaply made muffler use low cost mounting nuts and weld poorly, which will break on second day of use. With pre-consideration, this new muffler version has applied RWT (Reinforced Welding Technique) to enhance studs strength. Upgraded Exhaust Air Deflector This Exhuast Air Deflector allows the hot air to stay away from your body when u operate your equipment. Also this Deflector can be installed up to 8 direction. So this stock muffler is a perfect solution to bring your engine online. It will bring u a Quiet Heat proof & Reliable Engine Running. Looking for a replacement? Choose a reliable one Sutmorly is trying to provide reliable product to our customers. What we want is to solve the problem. We have decades experience to fix kinds of unexpected problems. Experience makes difference With pre-consideration, our muffler has been improved for several rounds to achieve high durability on Engine. Multiple fitness Suit for most 4-Stroke engines, they could be used for Go-Kart, Mini Bike, Lawn Mower, Tractor, Chain Saw, Rototiller, Water Pump, Snow Blower, Tillage Polishing Machine and so on. Review: Perfect fit. - Perfect fit. assembles easily. Fastener nuts included. Review: Great price great customer service - Great seller would buy from them again ## Features - Fits: Honda GX340 GX390 muffler, fits11HP 13HP engine - Replace OEM : 18310-ZE2-W61 - Replace: Stens 105-705 - Include: 1 muffler, 1 head shield manifold and 2 Gaskets, This item does not include nuts - Guarantee: 3 month warranty. If the spindle does not meet your expectations, you can return it within a month, no risk ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XR6MGJ2 | | Best Sellers Rank | #174,344 in Automotive ( See Top 100 in Automotive ) #137 in Automotive Replacement Exhaust Mufflers | | Brand | Sutmorly | | Brand Name | Sutmorly | | Compatible with Vehicle Type | Lawn Mower | | Customer Reviews | 4.2 out of 5 stars 138 Reviews | | Global Trade Identification Number | 00714131404360 | | Item Dimensions | 4.53 x 11.81 x 2.56 inches | | Item dimensions L x W x H | 4.53 x 11.81 x 2.56 inches | | Manufacturer | Sutmorly Parts Club | | Manufacturer Part Number | Holzminiaturen_519 | | Material | Metal | | Material Type | Metal | | Model Number | Holzminiaturen_519 | | Shape | Round | | UPC | 714131404360 | | Vehicle Service Type | Lawn Mower | ## Product Details - **Brand:** Sutmorly - **Item dimensions L x W x H:** 4.53 x 11.81 x 2.56 inches - **Material:** Metal - **Shape:** Round - **Vehicle Service Type:** Lawn Mower ## Images ![Muffler Exhaust Kit Assembly Fits Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Head Shield Manifold and Two Gaskets, No nuts - Image 1](https://m.media-amazon.com/images/I/61VnwmOyeeL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect fit. *by C***. on August 27, 2025* Perfect fit. assembles easily. Fastener nuts included. ### ⭐⭐⭐⭐⭐ Great price great customer service *by T***S on March 20, 2025* Great seller would buy from them again ### ⭐⭐⭐⭐⭐ good quality, everything fit well *by A***Z on August 27, 2021* good quality and everything fit well. I'm going to fabricate an extension so I can exit the exhaust from the cowling, just not sure how to accomplish that yet. ## Frequently Bought Together - Sutmorly Muffler Exhaust Kit Assembly Fits Honda GX340 GX390 GX420 11HP 13HP 16HP Harbor Freight 420 Engine Water Pump Snowblower Pressure Washer with Head Shield Manifold and Two Gaskets, No nuts - HOODELL Professional GX390 Air Filter, Compatible with Honda GX340 GX 390 11HP 13HP Engine 17210-ZE3-505 17210-ZE3-010 Air Filter - JMCHstore Upgraded Stock Muffler Exhaust Deflector For Predator 420cc 459cc 13 hp, Honda GX390 389cc 11.7hp, DuroMax Gasoline Engine Motor, GX240 GX270 GX340, 18331-ZE3-811, Black Muffler diverter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/58166240-muffler-exhaust-kit-assembly-fits-honda-gx340-gx390-gx420-11hp](https://www.desertcart.hr/products/58166240-muffler-exhaust-kit-assembly-fits-honda-gx340-gx390-gx420-11hp) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-16*