{"product_id":"husqvarna-dual-inlet-twin-cylinder-engine-muffler-oem-539131604-fits-ez-fd-lsz-models-made-in-usa","title":"Husqvarna Dual-Inlet Twin Cylinder Engine Muffler — OEM 539131604, Fits EZ\/FD\/LSZ Models, Made in USA","description":"\u003cstrong\u003eGenuine Husqvarna dual-inlet twin cylinder engine muffler (OEM part 539131604) designed to replace worn exhaust assemblies on select Husqvarna and Poulan lawn tractors.\u003c\/strong\u003e\n\n\u003cp\u003eThis replacement muffler is an original equipment manufacturer (OEM) component made in the United States and produced to Husqvarna specifications for reliable fit and function. It is built for two-cylinder engines and intended for models across the EZ, FD and LSZ lines where a dual-inlet exhaust connection is required. Choosing an OEM unit ensures compatibility with factory exhaust ports and helps restore original noise control and exhaust routing.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Husqvarna models does this muffler fit?\u003c\/h3\u003e\n\u003cp\u003eThis muffler is compatible with a range of Husqvarna lawn tractor models that use dual-inlet two-cylinder engines. Confirm your machine’s model and engine configuration before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits: FD61M, FD52M\u003c\/li\u003e\n  \u003cli\u003eFits EZ series: EZC 4824, EZ 4824 (including BF, CA, K, TF BF variants), EZ 5224, EZ 5225, EZ 5226\u003c\/li\u003e\n  \u003cli\u003eFits larger deck\/zero-turn style: LSZ 5422\u003c\/li\u003e\n  \u003cli\u003eOEM part number: 539131604 — use this number to verify compatibility with your service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this OEM muffler affect performance and noise?\u003c\/h3\u003e\n\u003cp\u003eAs a factory-spec muffler it maintains the original exhaust path and backpressure characteristics created by Husqvarna. While it won't change engine power, it restores designed noise reduction and helps the engine run with the exhaust flow intended by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces engine noise to originally specified levels.\u003c\/li\u003e\n  \u003cli\u003ePreserves correct exhaust routing and backpressure for two-cylinder motors.\u003c\/li\u003e\n  \u003cli\u003eReplaces corroded or damaged mufflers to prevent leaks and exhaust blow-by.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and package details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis is a single-piece muffler assembly supplied as one unit per package and manufactured to Husqvarna’s original equipment standards. Materials and welds meet the tolerance and durability expected for outdoor power equipment use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contents: one (1) authentic Husqvarna engine muffler.\u003c\/li\u003e\n  \u003cli\u003eManufactured in the United States to OEM specifications.\u003c\/li\u003e\n  \u003cli\u003eDesigned for dual-inlet two-cylinder engine exhaust connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this is the right replacement for my mower?\u003c\/h3\u003e\n\u003cp\u003eVerify your mower’s model number and compare the OEM part number 539131604 to the part referenced in your owner’s manual or parts diagram. Inspect the existing muffler for inlet arrangement and mounting points before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck the model stamp on your tractor (EZ\/FD\/LSZ designations) and engine type.\u003c\/li\u003e\n  \u003cli\u003eMatch inlet locations and mounting bracket geometry to your current muffler.\u003c\/li\u003e\n  \u003cli\u003eUse OEM part number 539131604 to cross-reference with Husqvarna parts lists or dealer databases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This genuine Husqvarna muffler is aimed at owners, repair shops, and maintenance professionals who need a direct-fit OEM exhaust replacement for two-cylinder Husqvarna and compatible Poulan lawn tractors. It’s the right choice when you want factory fitment, original noise control, and confidence that the replacement component meets Husqvarna’s manufacturing standards.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this the original Husqvarna part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this is an OEM Husqvarna muffler, part number 539131604, manufactured in the United States.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many mufflers come in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Package includes one (1) complete engine muffler assembly for dual-inlet two-cylinder engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":56818361106772,"sku":"B013TCRZF8","price":84.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/husqvarna-muffler-front-view_9a0223c9-6a6b-4871-9cef-35c487f3d47f.jpg?v=1786960224","url":"https:\/\/gardenluxe.co.uk\/products\/husqvarna-dual-inlet-twin-cylinder-engine-muffler-oem-539131604-fits-ez-fd-lsz-models-made-in-usa","provider":"Gardenluxe Uk","version":"1.0","type":"link"}