{"product_id":"876376-decarbonizing-head-gasket-kit-for-volvo-penta-md11c-md11d-jlm-marine","title":"876376 Decarbonizing Head Gasket Kit for Volvo Penta MD11C MD11D | JLM Marine","description":"\u003ch2\u003e876376 Decarbonizing Head Gasket Kit for Volvo Penta MD11C MD11D\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eDecarbonizing Head Gasket Kit\u003c\/strong\u003e is engineered for \u003cstrong\u003eVolvo Penta MD11C and MD11D\u003c\/strong\u003e diesel marine engine models. Designed to restore proper compression and seal integrity during decarbonization service, this kit ensures reliable performance for your marine diesel engine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacements:\u003c\/strong\u003e Volvo Penta 876376, 875553 | Crom Marine 121049 | Orbitrade ORB21553, 18-4342\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete decarbonizing head gasket kit for Volvo Penta diesel engines\u003c\/li\u003e\n\u003cli\u003eAftermarket replacement with quality components for reliable sealing\u003c\/li\u003e\n\u003cli\u003eEssential for engine maintenance and decarbonization procedures\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\u003e876376\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e875553\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrom Marine\u003c\/td\u003e\n\u003ctd\u003e121049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrbitrade\u003c\/td\u003e\n\u003ctd\u003eORB21553\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrbitrade\u003c\/td\u003e\n\u003ctd\u003e18-4342\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\u003eMD11C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eMD11D\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 Number\u003c\/td\u003e\n\u003ctd\u003e876376\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eVolvo Penta MD11C, MD11D Diesel Marine Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eDecarbonizing Head Gasket Kit\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\u003cp\u003eThis package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Decarbonizing Head Gasket Kit\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\u003eDisconnect the battery and allow the engine to cool completely before beginning work.\u003c\/li\u003e\n\u003cli\u003eRemove the cylinder head cover and any components obstructing access to the cylinder head.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the cylinder head bolts in the reverse of the tightening sequence specified in your service manual.\u003c\/li\u003e\n\u003cli\u003eLift the cylinder head from the engine block and inspect for warping or damage.\u003c\/li\u003e\n\u003cli\u003eThoroughly clean all gasket surfaces on both the cylinder head and engine block, removing all old gasket material and carbon deposits.\u003c\/li\u003e\n\u003cli\u003eInspect the cylinder head for cracks or excessive wear; resurface if necessary.\u003c\/li\u003e\n\u003cli\u003ePosition the new head gasket from the kit onto the engine block, ensuring proper alignment with dowel pins.\u003c\/li\u003e\n\u003cli\u003eCarefully lower the cylinder head back onto the engine block, aligning it with the gasket and dowel pins.\u003c\/li\u003e\n\u003cli\u003eInstall new cylinder head bolts (if included in kit) and torque them to manufacturer specifications in the proper sequence.\u003c\/li\u003e\n\u003cli\u003eReinstall all removed components, hoses, and connections in reverse order of removal.\u003c\/li\u003e\n\u003cli\u003eRefill coolant and check all fluid levels before starting the engine.\u003c\/li\u003e\n\u003cli\u003eStart the engine and check for leaks; allow it to reach operating temperature and verify proper operation.\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 kit fits my Volvo Penta engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine model is MD11C or MD11D by checking the engine identification plate. Cross-reference your current gasket part number (876376 or 875553) with the table above to ensure compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace the head gasket on my diesel engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace the head gasket during decarbonization service, if you notice coolant leaks, white exhaust smoke, overheating, or loss of compression. Never reuse old gaskets after removing the cylinder head.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's included in this decarbonizing kit compared to a standard head gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: A decarbonizing head gasket kit typically includes the head gasket plus additional seals and gaskets needed during a full decarbonization service procedure. This ensures you have all necessary sealing components for proper reassembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this gasket kit?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you'll need a torque wrench calibrated to proper specifications, gasket scraper, cylinder head bolt sequence guide, and potentially a straight edge to check for head warping. Professional installation is strongly recommended for diesel engines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are signs of head gasket failure on a marine diesel engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include coolant in the oil (milky appearance), overheating, loss of coolant without visible leaks, white exhaust smoke, rough idle, or loss of power. Address these issues immediately to prevent engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or 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":51981000016185,"sku":"23GK333","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_c3e74fcb-2eb6-4c84-92d1-9b44b60da7fe.jpg?v=1772414136","url":"https:\/\/jlmmarine.com\/es\/products\/876376-decarbonizing-head-gasket-kit-for-volvo-penta-md11c-md11d-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}