{"product_id":"exhaust-manifold-for-mercruiser-4-3-4-3l-v6-99746a8-99746a17-18-1952-1-51220","title":"Exhaust Manifold For MerCruiser 4.3 4.3L V6 99746A8, 99746A17, 18-1952-1, 51220","description":"\u003ch2\u003eExhaust Manifold for MerCruiser 4.3L V6\u003c\/h2\u003e\u003cp\u003eThis exhaust manifold is a direct-fit replacement for MerCruiser 4.3L V6 engines, directing exhaust gases away from the cylinders to maintain engine performance and reduce noise; OEM cross-reference numbers 99746A8, 99746A17, 18-1952-1, and 51220 ensure compatibility with many MerCruiser models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust manifold for MerCruiser 4.3L V6 engines is a robust cast-iron component designed to channel exhaust gases efficiently. It serves as a critical part of the cooling and exhaust system, ensuring your MerCruiser stern drive runs smoothly. Ideal for boat owners and marine mechanics, this exhaust manifold replacement restores performance and reliability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast-iron construction for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-matched ports for optimal exhaust flow\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant coating for marine environments\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation using OEM-style gaskets\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor MerCruiser 4.3L V6 (1991-2000 approximate)\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 4.3LX Alpha One\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 4.3LX Gen II\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacement on MerCruiser stern drive boats\u003c\/li\u003e\n\u003cli\u003eRestoration of exhaust system on older 4.3L V6 engines\u003c\/li\u003e\n\u003cli\u003eMarine engine rebuilding projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e99746A8, 99746A17, 18-1952-1, 51220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3L V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor MerCruiser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this exhaust manifold fit a MerCruiser 4.3L MPI engine? \u003cstrong\u003eA:\u003c\/strong\u003e This manifold is designed for carbureted and TBI 4.3L V6 engines; MPI models may use a different casting, so verify your engine serial number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the gaskets when installing this manifold? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, always use new gaskets (not included) to ensure a proper seal and prevent exhaust leaks.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44957592092758,"sku":"ZZ2Y02432","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_c07c3274-04dc-4f43-bc2d-a1b506dde29b.jpg?v=1781569215","url":"https:\/\/www.solidspare.com\/products\/exhaust-manifold-for-mercruiser-4-3-4-3l-v6-99746a8-99746a17-18-1952-1-51220","provider":"Solid Spare","version":"1.0","type":"link"}