{"product_id":"htjymy-muffler-assembly-kit-for-john-deere-lawn-tractors-am138423-exhaust-pipe-gasket-direct-fit-noise-reduction","title":"HTJYMY Muffler Assembly Kit for John Deere Lawn Tractors AM138423 — Exhaust Pipe \u0026 Gasket, Direct-Fit Noise Reduction","description":"\u003cp\u003e\u003cstrong\u003eHTJYMY AM138423 is a complete muffler assembly kit—muffler, exhaust pipe, and gasket—designed as a direct-fit replacement for specified John Deere lawn tractor models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your tractor is running louder than usual, producing exhaust leaks, or showing signs of a failing exhaust assembly, this HTJYMY replacement muffler kit offers a straightforward repair option. Engineered as a direct replacement for parts AM138423, GX20802, and GX24805, the kit restores exhaust routing and reduces noise while using heavy-duty materials to withstand normal lawn tractor operating temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eWill this muffler fit my John Deere tractor model?\u003c\/h3\u003e\n\u003cp\u003eThis assembly is made to fit a range of John Deere and similar lawn tractors. It lists direct compatibility with models such as 102, 105, 115 and several L-series and HS-series tractors; check your tractor’s parts diagram and part number to confirm exact match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces AM138423, GX20802, GX24805 for direct fit\u003c\/li\u003e\n  \u003cli\u003eCompatible models include 102, 105, 115, L100–L110 variants\u003c\/li\u003e\n  \u003cli\u003eAlso fits L1742, 1642HS, 1742HS and similar series\u003c\/li\u003e\n  \u003cli\u003eConfirm part number on your tractor before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eThe kit is supplied ready to install with the muffler, exhaust pipe, and a gasket to seal the connection and help prevent leaks. Basic hand tools are usually all that’s needed, and the direct-replacement design keeps installation time minimal for experienced DIYers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes muffler assembly, exhaust pipe, and gasket\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement shape to match factory mounting points\u003c\/li\u003e\n  \u003cli\u003eSimple installation with common wrenches and sockets\u003c\/li\u003e\n  \u003cli\u003eGasket reduces chance of exhaust leaks after install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and durability can I expect?\u003c\/h3\u003e\n\u003cp\u003eConstructed from heavy-duty materials, this muffler assembly is built to handle the heat and vibration typical of lawn tractor engines. It reduces engine noise while maintaining exhaust flow, which helps the engine run smoothly when the exhaust path is restored to correct condition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable construction for high-temperature resistance\u003c\/li\u003e\n  \u003cli\u003eEngineered to preserve proper exhaust flow dynamics\u003c\/li\u003e\n  \u003cli\u003eNoise reduction compared to a damaged or missing muffler\u003c\/li\u003e\n  \u003cli\u003eDesigned for routine lawn tractor workload and conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The HTJYMY AM138423 muffler kit is intended for homeowners, landscapers, and small-property managers who maintain John Deere or compatible lawn tractors and need a reliable, OEM-style exhaust replacement. It’s ideal for anyone comfortable doing basic mechanical work who wants a cost-effective fix that restores quiet operation and proper exhaust routing. Always verify compatibility with your tractor’s model and part number before purchasing, and follow safety guidelines when removing and installing exhaust components.\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: Does this replace part AM138423?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This HTJYMY assembly is a direct replacement for AM138423, GX20802, and GX24805.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is a gasket included with the muffler kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes the muffler, exhaust pipe, and the required gasket for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HTJYMY","offers":[{"title":"Default Title","offer_id":56832383156564,"sku":"B0DX55DDMF","price":69.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/htjymy-muffler-front-view.jpg?v=1787028319","url":"https:\/\/gardenluxe.co.uk\/products\/htjymy-muffler-assembly-kit-for-john-deere-lawn-tractors-am138423-exhaust-pipe-gasket-direct-fit-noise-reduction","provider":"Gardenluxe Uk","version":"1.0","type":"link"}