{"product_id":"mahle-original-chev-marine-181-3-0l-engine-head-set","title":"MAHLE Original Chevrolet 181 3.0L Marine Head Gasket Set","description":"\u003ch4\u003eComplete the Cylinder-Head Repair with the Correct Marine Gasket Set\u003c\/h4\u003e\n\u003cp\u003eMAHLE Original HS5719 is a manufacturer-cataloged cylinder-head gasket set for Chevrolet 181 CID 3.0L marine inline-four engines through serial number 6229717. It brings the upper-engine seals required for cylinder-head removal and replacement into one application-specific package, helping technicians avoid mixing automotive and marine configurations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExact HS5719 application for the early Chevrolet 181 CID 3.0L marine engine serial range\u003c\/li\u003e\n\u003cli\u003eMAHLE Original sealing components manufactured to OE-equivalent material and fit standards\u003c\/li\u003e\n\u003cli\u003eComposite head-gasket construction listed for regular replacement service\u003c\/li\u003e\n\u003cli\u003eHead-set coverage intended for cylinder-head removal and installation\u003c\/li\u003e\n\u003cli\u003eShrink-wrapped tray packaging helps confirm contents before the package is opened\u003c\/li\u003e\n\u003cli\u003eCataloged for marine service rather than broad automotive fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eSerial Range\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet marine engine\u003c\/td\u003e\n\u003ctd\u003e181 CID \/ 3.0L inline-four\u003c\/td\u003e\n\u003ctd\u003eThrough 6229717\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eConfirm the engine serial number before ordering. Engines beginning with serial number 6229718 use a later-serial configuration.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMAHLE Original \/ Victor Reinz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eHS5719\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e725975461495\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCylinder-head gasket set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasket Material\u003c\/td\u003e\n\u003ctd\u003eComposite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eRegular replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Bore\u003c\/td\u003e\n\u003ctd\u003e4.000 inches \/ 101.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOne MAHLE Original HS5719 cylinder-head gasket set\u003c\/li\u003e\n\u003cli\u003eUpper-engine gaskets and seals packaged for cylinder-head removal and replacement\u003c\/li\u003e\n\u003cli\u003eWater-cooled manifold sealing components listed for this catalog configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA thermostat-housing gasket set and lower-engine conversion-set components are not represented as included. Inspect the sealed package and current service requirements before disassembly.\u003c\/p\u003e\n\u003ch4\u003eAbout MAHLE Original\u003c\/h4\u003e\n\u003cp\u003eMAHLE Original supplies engine sealing components developed around application-specific dimensions, materials, and service requirements. The North American gasket line carries the sealing heritage historically associated with Victor Reinz, so exact part-number and engine-serial verification remain essential.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mahle-original-mercruiser-3-0l-head-set\"\u003eMAHLE Original Chevrolet 3.0L marine head set for later engine serials\u003c\/a\u003e - use only for the later manufacturer-cataloged serial range beginning at 6229718.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the HS5719?\u003c\/strong\u003e\u003cp\u003eIt is a MAHLE Original cylinder-head gasket set cataloged for the Chevrolet 181 CID 3.0L marine inline-four through engine serial number 6229717.\u003c\/p\u003e\n\u003cstrong\u003eWill this fit every Chevrolet 3.0L marine engine?\u003c\/strong\u003e\u003cp\u003eNo. The engine family and serial number must both match the manufacturer catalog before ordering.\u003c\/p\u003e\n\u003cstrong\u003eIs this an automotive head-gasket set?\u003c\/strong\u003e\u003cp\u003eNo. This listing is for a marine-engine application and should not be selected from visual similarity alone.\u003c\/p\u003e\n\u003cstrong\u003eDoes the set include lower-engine gaskets?\u003c\/strong\u003e\u003cp\u003eNo. This is a cylinder-head service set, not a complete engine overhaul or conversion set.\u003c\/p\u003e\n\u003cstrong\u003eIs a thermostat-housing gasket included?\u003c\/strong\u003e\u003cp\u003eThe thermostat-housing gasket set is treated as a separate service item and should be ordered for the exact engine configuration when required.\u003c\/p\u003e\n\u003cstrong\u003eWhat should be checked before installation?\u003c\/strong\u003e\u003cp\u003eConfirm deck and cylinder-head flatness, surface condition, fastener requirements, coolant and oil sealing locations, and the current marine-engine service procedure.\u003c\/p\u003e\n\u003cstrong\u003eCan the package be opened to check the contents?\u003c\/strong\u003e\u003cp\u003eCompare the visible tray contents with the current service requirements before opening, because opened gasket packages may not qualify for return.\u003c\/p\u003e\n\u003cstrong\u003eDoes the listing guarantee compatibility by engine displacement alone?\u003c\/strong\u003e\u003cp\u003eNo. A 3.0L designation alone is not sufficient; the Chevrolet 181 CID engine family and serial range must match.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eVerify HS5719 against the engine identification and serial number before disassembly.\u003c\/li\u003e\n\u003cli\u003eDisconnect battery power and drain coolant according to the marine-engine service manual.\u003c\/li\u003e\n\u003cli\u003eRemove the cylinder head and related manifolds while labeling hoses, wiring, and fasteners.\u003c\/li\u003e\n\u003cli\u003eClean sealing surfaces without removing material or leaving abrasive residue in oil or coolant passages.\u003c\/li\u003e\n\u003cli\u003eInspect deck and cylinder-head flatness and replace any one-time-use fasteners specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003eInstall each gasket dry or with the specified sealant only where the service manual directs.\u003c\/li\u003e\n\u003cli\u003eTighten fasteners in the prescribed sequence and to the current torque and angle specifications.\u003c\/li\u003e\n\u003cli\u003eRefill and bleed the cooling system, then check for coolant, oil, intake, and exhaust leaks before operation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Victor Reinz","offers":[{"title":"Default Title","offer_id":67827946618959,"sku":"VICHS5719","price":71.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/mahle-hs5719-chevrolet-3-0l-marine-head-gasket-set.webp?v=1792601734","url":"https:\/\/www.blackopsautoworks.com\/products\/mahle-original-chev-marine-181-3-0l-engine-head-set","provider":"Black Ops Auto Works","version":"1.0","type":"link"}