{"product_id":"decarbonizing-gasket-kit-fits-volvo-penta-md5a-md5b-md5c-diesel-replaces-876341-875561","title":"Decarbonizing Gasket Kit – Fits Volvo Penta MD5A MD5B MD5C Diesel (Replaces 876341, 875561)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eDecarbonizing Gasket Kit\u003c\/strong\u003e is designed for Volvo Penta MD5A, MD5B, and MD5C diesel marine engines. Engineered to restore proper sealing during decarbonization service, this kit ensures reliable performance and prevents exhaust leaks in these proven marine diesel models.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket kit directly replaces Volvo Penta part numbers 876341 and 875561, as well as Crom Marine 121050 and Orbitrade ORB21561.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete decarbonizing gasket set for one-step maintenance\u003c\/li\u003e\n  \u003cli\u003eDesigned for diesel marine applications\u003c\/li\u003e\n  \u003cli\u003eDrop-in replacement for OEM equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\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\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\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\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eDecarbonizing service\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n  \u003cdd\u003eDiesel marine\u003c\/dd\u003e\n  \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n  \u003cdd\u003e876341\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e1 × Decarbonizing Gasket Kit\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect battery and allow engine to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove exhaust components to access cylinder head decarbonizing surfaces.\u003c\/li\u003e\n  \u003cli\u003eCarefully scrape away all old gasket material and carbon buildup from mating surfaces using a non-abrasive scraper.\u003c\/li\u003e\n  \u003cli\u003eClean surfaces thoroughly with solvent and allow to dry completely.\u003c\/li\u003e\n  \u003cli\u003ePosition new gaskets from kit onto clean, dry surfaces—do not reuse old gaskets.\u003c\/li\u003e\n  \u003cli\u003eReinstall exhaust components and torque fasteners to manufacturer's specifications in the correct sequence.\u003c\/li\u003e\n  \u003cli\u003eReconnect battery and run engine, checking for exhaust leaks around all gasket interfaces.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my engine needs a decarbonizing gasket kit?\u003c\/summary\u003e\n  \u003cp\u003eSigns include exhaust smoke, visible leaks around the manifold or exhaust elbow, loss of power, or during routine decarbonization maintenance intervals specified by Volvo Penta.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse the old gaskets if they look intact?\u003c\/summary\u003e\n  \u003cp\u003eNo. Gaskets compress and conform during initial installation. Reusing them may result in exhaust leaks, loss of compression, or premature failure. Always install new gaskets during reassembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat's the difference between MD5A, MD5B, and MD5C?\u003c\/summary\u003e\n  \u003cp\u003eThese are incremental model updates within the MD5 series. This decarbonizing gasket kit is compatible with all three variants as they share the same exhaust and cylinder head gasket geometry.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need sealant with these gaskets?\u003c\/summary\u003e\n  \u003cp\u003eGenerally, decarbonizing gaskets are used dry unless the manufacturer specifies otherwise. Check your Volvo Penta service manual for model-specific torque and sealant requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should decarbonizing be performed?\u003c\/summary\u003e\n  \u003cp\u003eVolvo Penta typically recommends decarbonizing every 1,000–2,000 operating hours or as needed based on engine performance and exhaust condition. Consult your engine manual for exact intervals.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this kit fit later Volvo Penta MD models?\u003c\/summary\u003e\n  \u003cp\u003eThis kit is engineered specifically for MD5A, MD5B, and MD5C. Later MD models may use different gasket designs. Always verify part number cross-references before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025805934907,"sku":"23GK332","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_484ca819-33ec-487e-a547-6602c4c09c3f.jpg?v=1772959274","url":"https:\/\/seasierra.com\/products\/decarbonizing-gasket-kit-fits-volvo-penta-md5a-md5b-md5c-diesel-replaces-876341-875561","provider":"SeaSierra","version":"1.0","type":"link"}