{"product_id":"876341-decarbonizing-gasket-kit-for-volvo-penta-md5a-md5b-md5c-jlm-marine","title":"876341 Decarbonizing Gasket Kit for Volvo Penta MD5A MD5B MD5C | JLM Marine","description":"\u003ch2\u003eDecarbonizing Gasket Kit for Volvo Penta MD5A MD5B MD5C | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eDecarbonizing Gasket Kit\u003c\/strong\u003e is designed for \u003cstrong\u003eVolvo Penta MD5A, MD5B, and MD5C\u003c\/strong\u003e diesel marine engines. It provides a complete gasket solution for decarbonizing maintenance procedures, ensuring proper sealing and engine performance during routine service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacements:\u003c\/strong\u003e Volvo Penta 876341, 875561 | Crom Marine 121050 | Orbitrade ORB21561\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete gasket kit for decarbonizing service on MD5-series engines\u003c\/li\u003e\n  \u003cli\u003eReplaces multiple OEM and aftermarket part numbers for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eEssential for maintaining engine efficiency and preventing exhaust leaks\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\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003e876341\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003e875561\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCrom Marine\u003c\/td\u003e\n      \u003ctd\u003e121050\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOrbitrade\u003c\/td\u003e\n      \u003ctd\u003eORB21561\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\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003eMD5A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003eMD5B\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003eMD5C\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\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e876341\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eDecarbonizing Service\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine Type\u003c\/td\u003e\n      \u003ctd\u003eDiesel Marine Engine\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Models\u003c\/td\u003e\n      \u003ctd\u003eVolvo Penta MD5A, MD5B, MD5C\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;\"\u003e1 x Decarbonizing Gasket Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and allow the engine to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove the exhaust manifold and cylinder head cover according to your engine's service manual.\u003c\/li\u003e\n  \u003cli\u003eClean all carbon deposits from the combustion chamber, valves, and piston tops using appropriate cleaning tools.\u003c\/li\u003e\n  \u003cli\u003eRemove old gasket material from all mating surfaces using a gasket scraper, ensuring surfaces are clean and flat.\u003c\/li\u003e\n  \u003cli\u003eInspect all surfaces for cracks, warping, or damage that may require machining or replacement.\u003c\/li\u003e\n  \u003cli\u003eInstall the new gaskets from the kit in the correct positions, following the service manual's torque sequence.\u003c\/li\u003e\n  \u003cli\u003eApply a thin, even layer of gasket sealant only if specified by the manufacturer for certain surfaces.\u003c\/li\u003e\n  \u003cli\u003eReinstall the cylinder head cover and exhaust manifold, torquing bolts to factory specifications in the proper sequence.\u003c\/li\u003e\n  \u003cli\u003eReconnect all hoses, wiring, and components that were removed during disassembly.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and start the engine, checking for any exhaust leaks or unusual noises.\u003c\/li\u003e\n  \u003cli\u003eAllow the engine to reach operating temperature and inspect all gasket areas for leaks.\u003c\/li\u003e\n  \u003cli\u003eRe-torque cylinder head bolts after the first few hours of operation if recommended by the manufacturer.\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 kit fits my Volvo Penta engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Check the compatible engine models table above to verify your engine model (MD5A, MD5B, or MD5C). You can also cross-reference the OEM part numbers 876341 or 875561 with your engine's parts manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace the decarbonizing gaskets?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace these gaskets during every decarbonizing service or whenever you remove the cylinder head or exhaust components. Reusing old gaskets can lead to leaks and reduced engine performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gaskets if they look undamaged?\u003c\/strong\u003e\u003cbr\u003e\nA: No, gaskets are designed for single-use only. Even if they appear intact, they compress during installation and will not seal properly if reused, potentially causing exhaust leaks or coolant leaks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my decarbonizing gaskets need replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include exhaust leaks, visible soot around gasket areas, loss of engine power, increased fuel consumption, or coolant mixing with oil. If you're performing decarbonizing maintenance, always replace gaskets as preventive maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\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":51980999983417,"sku":"23GK332","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_cebf57f9-d6dd-48e9-802e-2f77302637cf.jpg?v=1772414135","url":"https:\/\/jlmmarine.com\/products\/876341-decarbonizing-gasket-kit-for-volvo-penta-md5a-md5b-md5c-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}