{"product_id":"3853412-exhaust-manifold-gasket-for-mercruiser-volvo-omc-crusader-4-3-v-6-jlm-marine","title":"3853412 Exhaust Manifold Gasket for MerCruiser Volvo OMC Crusader 4.3 V-6 | JLM Marine","description":"\u003ch2\u003e3853412 Exhaust Manifold Gasket for MerCruiser Volvo OMC Crusader 4.3 V-6\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality exhaust manifold gasket is engineered for \u003cstrong\u003e4.3L GM V-6\u003c\/strong\u003e marine engines used across \u003cstrong\u003eMerCruiser, Volvo Penta, OMC, and Crusader\u003c\/strong\u003e applications. Designed to meet and exceed factory specifications, it provides a reliable seal between the exhaust manifold and engine block to prevent leaks and ensure optimal engine performance.\u003c\/p\u003e\n\n\u003cp\u003eThis gasket serves as a \u003cstrong\u003edirect replacement\u003c\/strong\u003e for OEM part numbers including MerCruiser 27-99757, OMC 3853412, Volvo Penta 856116, Crusader 97498, and several aftermarket equivalents. It offers broad cross-compatibility, making it a versatile solution for multiple marine engine brands.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePrecision-manufactured to OEM dimensions for proper fit and seal\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant materials for durability in demanding marine environments\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation with no modifications required\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\"\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\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e27-99757\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e3853412\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e856116\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e97498\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-2909\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-61421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e32170\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\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L V-6\u003c\/td\u003e\n\u003ctd\u003eAll 4.3 GM V-6 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e4.3L V-6\u003c\/td\u003e\n\u003ctd\u003eAll 4.3 GM V-6 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e4.3L V-6\u003c\/td\u003e\n\u003ctd\u003eAll 4.3 GM V-6 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003e4.3L V-6\u003c\/td\u003e\n\u003ctd\u003eAll 4.3 GM V-6 applications\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\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e4.3L GM V-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eExhaust Manifold\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\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eMerCruiser, Volvo Penta, OMC, Crusader\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\n\u003cspan style=\"color:red;\"\u003e1 × Exhaust Manifold Gasket\u003c\/span\u003e (for 4.3L V-6 engine)\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 cool and disconnect the battery. Remove any components blocking access to the exhaust manifold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Old Gasket:\u003c\/strong\u003e Unbolt the exhaust manifold and carefully remove it from the engine block. Discard the old gasket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Surfaces:\u003c\/strong\u003e Thoroughly clean both the manifold and engine block mating surfaces, removing all old gasket material, carbon deposits, and debris. Use a gasket scraper and solvent as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect Components:\u003c\/strong\u003e Check the manifold and block surfaces for warping, cracks, or damage. Replace or resurface components if necessary.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition New Gasket:\u003c\/strong\u003e Place the new gasket onto the engine block, aligning all bolt holes precisely. Ensure proper orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Manifold:\u003c\/strong\u003e Carefully position the exhaust manifold over the gasket, aligning all mounting holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Bolts:\u003c\/strong\u003e Hand-thread all bolts first, then torque them to manufacturer specifications in a crisscross pattern from the center outward. Consult your service manual for proper torque values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect Components:\u003c\/strong\u003e Reinstall any removed parts, hoses, or fittings. Reconnect the battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest for Leaks:\u003c\/strong\u003e Start the engine and allow it to reach operating temperature. Inspect the manifold gasket area for any exhaust leaks.\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 4.3L V-6 engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine displacement is 4.3 liters (262 cubic inches) and that it's a GM-based V-6. Cross-reference your current gasket's part number with the compatibility table above. If your OEM number matches any listed, this gasket will fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my exhaust manifold gasket needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include exhaust leaks (hissing or popping sounds near the manifold), visible soot or carbon buildup around the manifold\/block junction, reduced engine performance, or increased engine temperature. Replace the gasket if any of these occur.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the exhaust manifold gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace the gasket whenever the exhaust manifold is removed for service or repair. Gaskets are designed for single use and should not be reused. Regular inspection during annual maintenance is recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gasket if it looks okay?\u003c\/strong\u003e\u003cbr\u003e\nA: No, exhaust manifold gaskets compress and conform to the mating surfaces during initial installation. Reusing a gasket will likely result in leaks and poor sealing performance. Always install a new gasket when servicing the manifold.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket gasket and the OEM version?\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":51981020397881,"sku":"24GK053","price":21.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_3f7f382c-cf55-44aa-9aaa-5676756aafa7.jpg?v=1772414667","url":"https:\/\/jlmmarine.com\/ru\/products\/3853412-exhaust-manifold-gasket-for-mercruiser-volvo-omc-crusader-4-3-v-6-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}