{"product_id":"uszczelka-pokrywy-zaworow-sierra-18-0685-f8b0f5","title":"Valve Cover Gasket SIERRA 18-0685","description":"\u003ch2\u003eCompatible Engines\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eSIERRA 18-0685\u003c\/b\u003e valve cover gasket is a critical component ensuring the integrity of the upper module of your outboard motor. Identified by catalog number \u003cb\u003e18-0685\u003c\/b\u003e and EAN \u003cb\u003e808282120061\u003c\/b\u003e, this part is specifically designed for \u003cb\u003eMercury\/Mariner\u003c\/b\u003e engines with a displacement of \u003cb\u003e3.7L\u003c\/b\u003e, manufactured between \u003cb\u003e1976 and 1989\u003c\/b\u003e. Its primary function is to isolate the valve compartment from the external environment, preventing contaminants and oil leaks. Made from durable materials, this gasket guarantees long-lasting sealing, protecting the lubrication system from pressure loss and failures caused by debris. If you are unsure about compatibility with another engine model, we recommend verifying by the OE number or contacting our support team.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cp\u003eWhen replacing the valve cover gasket, it is essential to thoroughly clean the mounting surfaces of any old sealant residue and contaminants. Avoid over-tightening the bolts, as this can lead to cover deformation and subsequent leaks. Regular inspection of the gasket condition helps prevent costly repairs.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eOriginal SIERRA Quality\u003c\/b\u003e – guarantees compliance with factory specifications.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003ePerfect Fit\u003c\/b\u003e – precisely profiled gasket for 3.7L engines (1976-1989).\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eWeather Resistance\u003c\/b\u003e – material resistant to oils and operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eEasy Replacement\u003c\/b\u003e – standard design facilitating maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIERRA","offers":[{"title":"Default Title","offer_id":62598956089674,"sku":"F8B0F5","price":159.15,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/3216\/4170\/files\/5f7bb330da83d7bc3840fbb843034f9419621eb0174a6054b6d4a5dbf36b87222b1c273992709a5c8564967c264294627749cf6ca4aded1105fabe73e4127158_edce090c-1845-498a-8a46-808f573d8de3.jpg?v=1786912899","url":"https:\/\/deltamarinestore.pl\/en\/products\/valve-cover-gasket-sierra-18-0685-f8b0f5","provider":"Delta Marine","version":"1.0","type":"link"}