{"product_id":"909786-exhaust-manifold-elbow-riser-gasket-for-volvo-penta-omc-4-3l-5-0l-5-7l-8-1l-jlm-marine","title":"909786 Exhaust Manifold Elbow Riser Gasket for Volvo Penta OMC 4.3L 5.0L 5.7L 8.1L | JLM Marine","description":"\u003ch2\u003eExhaust Manifold Elbow Riser Gasket – Fits Volvo Penta OMC 4.3L 5.0L 5.7L 8.1L\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eExhaust Manifold Elbow Riser Gasket\u003c\/strong\u003e is engineered for various Volvo Penta and OMC Cobra marine engines, including \u003cstrong\u003e4.3L, 5.0L, 5.7L, and 8.1L\u003c\/strong\u003e models. It provides a reliable seal between the exhaust manifold and riser elbow, preventing exhaust leaks and ensuring optimal engine performance in demanding marine environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement for:\u003c\/strong\u003e Volvo Penta #3850496, #3863191 | OMC Cobra #913783, #909786, #3850496, #351325 | Sierra #18-0943. This aftermarket gasket delivers OEM-equivalent fit and durability at competitive value.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEssential seal for exhaust manifold and riser assemblies\u003c\/li\u003e\n  \u003cli\u003eFits GL, Gi, Gxi, 200, 225, 270, 300, and 320 series models\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature resistant construction for long service life\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 brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003e3850496\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003e3863191\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e909786\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e913783\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e3850496\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e351325\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra\u003c\/td\u003e\n      \u003ctd\u003e18-0943\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\" style=\"border-collapse:collapse; width:100%;\"\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\u003eVolvo Penta OMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e4.3L (GL, Gi, Gxi, 200, 225 models)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta OMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e5.0L (GL, Gi, Gxi, 225, 270 models)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta OMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e5.7L (GL, Gi, Gxi, 270, 300, 320 models)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta OMC Cobra\u003c\/td\u003e\n      \u003ctd\u003e8.1L (Gi, Gxi models)\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\" style=\"border-collapse:collapse; width:100%;\"\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\u003eOEM Number\u003c\/td\u003e\n      \u003ctd\u003e909786\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eExhaust Manifold to Riser Elbow\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaterial\u003c\/td\u003e\n      \u003ctd\u003eHigh-temperature resistant composite\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatibility\u003c\/td\u003e\n      \u003ctd\u003eVolvo Penta OMC Cobra 4.3L, 5.0L, 5.7L, 8.1L\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 Manifold Elbow Riser Gasket\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\u003eEnsure the engine is completely cool and disconnect the battery before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove the exhaust riser elbow from the manifold by loosening the mounting bolts or clamps.\u003c\/li\u003e\n  \u003cli\u003eClean both the manifold and elbow mating surfaces thoroughly, removing all remnants of the old gasket and carbon buildup.\u003c\/li\u003e\n  \u003cli\u003eInspect the surfaces for warping, cracks, or corrosion; address any damage before proceeding.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket onto the exhaust manifold, aligning all bolt holes precisely.\u003c\/li\u003e\n  \u003cli\u003eCarefully place the riser elbow onto the gasket, ensuring proper alignment with the manifold.\u003c\/li\u003e\n  \u003cli\u003eInsert and hand-tighten all mounting bolts to hold the assembly in place.\u003c\/li\u003e\n  \u003cli\u003eTorque the bolts to manufacturer specifications in a cross-pattern sequence to ensure even compression.\u003c\/li\u003e\n  \u003cli\u003eReconnect any water hoses, brackets, or components that were removed during disassembly.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and start the engine, allowing it to reach operating temperature.\u003c\/li\u003e\n  \u003cli\u003eInspect the gasket area for any signs of exhaust or coolant leaks while the engine runs.\u003c\/li\u003e\n  \u003cli\u003eIf leaks are detected, shut down the engine and re-torque the bolts after the engine cools.\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 gasket fits my Volvo Penta or OMC engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's displacement (4.3L, 5.0L, 5.7L, or 8.1L) and model series (GL, Gi, Gxi, 200, 225, 270, 300, 320) with the compatibility table above. You can also verify by matching the OEM part numbers (3850496, 3863191, 909786, etc.) from your engine's parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the exhaust manifold riser gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace this gasket whenever you remove the riser elbow for service or repairs, or immediately if you notice exhaust leaks, coolant seepage, or corrosion around the joint. Many marine mechanics recommend inspection every 2–3 years or 200–300 hours of operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my exhaust riser gasket is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include visible exhaust smoke or soot around the manifold-to-riser joint, coolant dripping from the connection, a hissing sound during engine operation, or an overheating condition due to coolant loss.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gasket if it looks intact?\u003c\/strong\u003e\u003cbr\u003e\nA: No, exhaust gaskets are designed for one-time use and compress permanently under heat and pressure. Reusing an old gasket will likely result in leaks and potential engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any sealant when installing this gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: Typically, no sealant is required; the gasket is designed to seal properly when torqued to specification. Consult your engine's service manual for any manufacturer-specific recommendations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket gasket?\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":51981020496185,"sku":"24GK060","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_867b2ea0-4eb4-4f38-9296-d078171d3317.jpg?v=1772414674","url":"https:\/\/jlmmarine.com\/es\/products\/909786-exhaust-manifold-elbow-riser-gasket-for-volvo-penta-omc-4-3l-5-0l-5-7l-8-1l-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}