{"product_id":"128890-13530-128397-13530-exhaust-mixing-elbow-for-yanmar-2ym15-3ym20-3gm30-3ym30-3gm30f-jlm-marine","title":"128890-13530 128397-13530 Exhaust Mixing Elbow for Yanmar 2YM15 3YM20 3GM30 3YM30 3GM30F | JLM Marine","description":"\u003ch2\u003eExhaust Mixing Elbow for Yanmar 2YM15 3YM20 3YM30 3YM30F Marine Diesel Engines\u003c\/h2\u003e\n\n\u003cp\u003eThis exhaust mixing elbow is engineered for \u003cstrong\u003eYanmar marine diesel engines\u003c\/strong\u003e, providing reliable exhaust and cooling water routing for models including the \u003cstrong\u003e2YM15, 3YM20, 3YM30, and 3GM30F\u003c\/strong\u003e. Built to withstand the demanding marine environment, this component ensures proper exhaust flow and water injection to cool exhaust gases before they exit the system.\u003c\/p\u003e\n\n\u003cp\u003eThis part directly replaces Yanmar OEM numbers \u003cstrong\u003e128890-13530\u003c\/strong\u003e and \u003cstrong\u003e128397-13530\u003c\/strong\u003e, offering a cost-effective solution for maintenance and repair without compromising performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFeatures a \u003cstrong\u003e11\/16\" (17mm) water inlet\u003c\/strong\u003e and \u003cstrong\u003e2\" (50mm) exhaust outlet\u003c\/strong\u003e with a 4-bolt flange for secure installation\u003c\/li\u003e\n  \u003cli\u003eDesigned for Yanmar inboard marine diesel engines with straightforward bolt-on fitment\u003c\/li\u003e\n  \u003cli\u003eManufactured to OEM specifications for dependable performance and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket sources.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e128890-13530\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e128397-13530\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e2YM15\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e3YM20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e3GM30\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e3YM30\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYanmar\u003c\/td\u003e\n      \u003ctd\u003e3GM30F\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWater Inlet Size\u003c\/td\u003e\n      \u003ctd\u003e11\/16\" (17mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExhaust Outlet Size\u003c\/td\u003e\n      \u003ctd\u003e2\" (50mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFlange Type\u003c\/td\u003e\n      \u003ctd\u003e4-bolt\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n      \u003ctd\u003e128890-13530, 128397-13530\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Exhaust Mixing Elbow\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the engine is completely cool and disconnect the battery to prevent accidental starting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccess:\u003c\/strong\u003e Locate the existing exhaust elbow on your Yanmar engine and clear the surrounding area for workspace.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect Water Line:\u003c\/strong\u003e Remove the cooling water hose from the 11\/16\" (17mm) inlet on the old elbow. Have a container ready to catch any residual coolant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect Exhaust:\u003c\/strong\u003e Loosen and disconnect the 2\" (50mm) exhaust hose from the outlet side of the elbow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Fasteners:\u003c\/strong\u003e Unbolt the four flange bolts securing the elbow to the engine manifold or exhaust outlet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Old Elbow:\u003c\/strong\u003e Carefully pull the old mixing elbow away from the engine, inspecting gasket surfaces for corrosion or damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean Surfaces:\u003c\/strong\u003e Thoroughly clean the mounting flange and gasket mating surfaces on the engine to ensure a proper seal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall New Elbow:\u003c\/strong\u003e Position the new exhaust mixing elbow onto the mounting flange, aligning all bolt holes carefully.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Fasteners:\u003c\/strong\u003e Install the four flange bolts and tighten in a cross pattern to ensure even pressure and prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect Exhaust Hose:\u003c\/strong\u003e Attach the 2\" (50mm) exhaust hose to the outlet and secure with appropriate marine-grade clamps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect Water Line:\u003c\/strong\u003e Connect the cooling water hose to the 11\/16\" (17mm) inlet and tighten the clamp securely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest \u0026amp; Inspect:\u003c\/strong\u003e Reconnect the battery, start the engine, and check all connections for leaks while the engine warms up. Verify proper water flow through the exhaust.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this exhaust elbow fits my Yanmar engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine model (2YM15, 3YM20, 3GM30, 3YM30, or 3GM30F) with the compatibility table above, and verify your original part number matches 128890-13530 or 128397-13530. Measure the water inlet (11\/16\"\/17mm) and exhaust outlet (2\"\/50mm) on your current elbow to confirm sizing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my exhaust mixing elbow needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include visible corrosion or cracks on the elbow body, water leaks around the flange or connections, overheating due to restricted exhaust flow, or exhaust gases mixing improperly with cooling water. Regular inspection every season is recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the exhaust mixing elbow?\u003c\/strong\u003e\u003cbr\u003e\nA: Replacement intervals depend on operating conditions, but most marine professionals recommend inspection annually and replacement every 3–5 years or sooner if operating in saltwater. Corrosion accelerates failure, so monitor closely if you notice performance changes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use standard hardware store gaskets and bolts for installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Always use marine-grade gaskets and stainless steel fasteners rated for high-temperature exhaust applications. Standard materials may fail prematurely due to heat, vibration, and corrosion, leading to dangerous exhaust leaks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or aftermarket replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981031276857,"sku":"24SE004","price":188.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_53880c65-3371-44d5-9f7a-32f7d99e8c4e.jpg?v=1772447157","url":"https:\/\/jlmmarine.com\/ru\/products\/128890-13530-128397-13530-exhaust-mixing-elbow-for-yanmar-2ym15-3ym20-3gm30-3ym30-3gm30f-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}