{"product_id":"merc-148","title":"Mercury - Exhaust Manifold Gasket - 27-33395","description":"\u003cp\u003eThe Mercury Quicksilver Exhaust Manifold Gasket 27-33395 is an OEM-style sealing gasket used between the cylinder head and exhaust manifold on compatible MerCruiser small-block GM V8 marine engines. It helps seal the exhaust ports to prevent exhaust leakage, moisture intrusion, and hot gas escape into the engine compartment.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury\/Quicksilver exhaust manifold gasket\u003c\/li\u003e\n\u003cli\u003ePart number: 27-33395\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 33395\u003c\/li\u003e\n\u003cli\u003eExhaust manifold-to-cylinder head port gasket\u003c\/li\u003e\n\u003cli\u003eStandard 4-bolt manifold pattern\u003c\/li\u003e\n\u003cli\u003eApproximate gasket thickness: 1\/16\"\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: 745061136557\u003c\/li\u003e\n\u003cli\u003eTypically replaced in pairs on V8 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFits select MerCruiser small-block GM V8 marine engines, including 283, 305, 327, 350 \/ 5.7L, and 377 CID applications using compatible exhaust manifold configurations.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by engine serial number, cylinder head, exhaust manifold style, and parts diagram before ordering. Exhaust gasket fitment can vary by manifold design, port shape, bolt pattern, and engine package.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this gasket if there are exhaust leaks, ticking at the manifold, visible gasket failure, soot marks around the port, water staining, corrosion at the manifold joint, or whenever the exhaust manifold is removed.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eClean the cylinder head and manifold sealing surfaces before installation. Inspect the manifold for warping, cracking, or corrosion, and follow Mercury service procedures for torque sequence and fastener tightening. Replace both sides when servicing a V8 pair if the opposite side shows age or leakage.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePrimary Mercury references: 27-33395 and 33395. Related full set reference: 27-33395A2. Common aftermarket interchanges include Sierra Marine 18-4394, Sierra 18-0872, GLM 39280, Mallory 9-61402, and Fel-Pro 17420.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eExhaust manifold gaskets do more than stop noise. A leaking gasket can allow hot exhaust and moisture to escape where they should not, so it is worth checking the manifold face and bolt condition before simply installing a new gasket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563853053988,"sku":"33395","price":20.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/d7db877d-3fec-4b23-bf7d-f89c28b2ad8f.png?v=1779402422","url":"https:\/\/marisolmarine.com\/products\/merc-148","provider":"Marisol Marine Company","version":"1.0","type":"link"}