{"product_id":"sierra-18-8780-marine-oil-filter-indmar-6-0l-6-2l","title":"Sierra 18-8780 Marine Oil Filter – Indmar 6.0L \u0026 6.2L (S\/N Above 164786)","description":"\u003ch2\u003eSierra 18-8780 Marine Oil Filter – Indmar 6.0L \u0026amp; 6.2L\u003c\/h2\u003e\n\u003cp\u003eA heavy-duty marine spin-on oil filter designed specifically for Indmar 6.0L and 6.2L gasoline inboard engines with serial numbers above 164786. The 18-8780 replaces Indmar OEM filter 872024 and is built with an epoxy-coated steel canister, high-efficiency filter media, and an anti-drain-back valve to protect your engine's lubrication system between oil changes.\u003c\/p\u003e\n\n\u003ch2\u003ePart Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 18-8780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 47-8780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Spin-on marine engine oil filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Indmar 6.0L \u0026amp; 6.2L gasoline inboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Range:\u003c\/strong\u003e Above 164786\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Indmar 872024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanister:\u003c\/strong\u003e Heavy-wall steel, epoxy-coated for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e High-efficiency filtration media, anti-drain-back valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282382599\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndmar 6.0L gasoline inboard – serial number above 164786\u003c\/li\u003e\n\u003cli\u003eIndmar 6.2L gasoline inboard – serial number above 164786\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAlways confirm engine model and serial number before ordering. Sierra identifies serial number 164786 as the fitment break — 18-8780 applies to engines above that number. The strongest fitment check is matching Indmar part number 872024.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra:\u003c\/strong\u003e 18-8780 \/ 47-8780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndmar OEM:\u003c\/strong\u003e 872024\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eReplace at every scheduled oil change per Indmar's engine maintenance program — typically every 100 hours or once per season, whichever comes first. Refer to your engine's service manual for the exact interval.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the old filter and confirm its sealing gasket comes away with it — a stuck gasket causes an immediate oil leak at startup\u003c\/li\u003e\n\u003cli\u003eClean the filter mounting surface thoroughly before installing\u003c\/li\u003e\n\u003cli\u003eLightly lubricate the new filter's gasket with clean engine oil before threading on\u003c\/li\u003e\n\u003cli\u003eInstall per Indmar's service procedure — typically hand-tight plus 3\/4 turn\u003c\/li\u003e\n\u003cli\u003eStart the engine and inspect for leaks before returning to service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-8779-marine-oil-filter-indmar-6-2l-ford-inboard\"\u003eSierra 18-8779 – Marine Oil Filter for Indmar 6.2L Ford Inboard (2015–2016)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7824-2-oil-filter-gm-chevy-short-mercruiser-omc-volvo-penta\"\u003eSierra 18-7824-2 – Oil Filter for GM\/Chevy Short | MerCruiser, OMC \u0026amp; Volvo Penta\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7876-1-oil-filter-gm-chevy-long\"\u003eSierra 18-7876-1 – Oil Filter for GM\/Chevy Long\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7878-1-oil-filter-ford-chrysler-volvo-short\"\u003eSierra 18-7878-1 – Oil Filter for Ford\/Chrysler\/Volvo Short\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7879-1-oil-filter-gm-chevy-v6\"\u003eSierra 18-7879-1 – Oil Filter for GM\/Chevy V6\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number matters here:\u003c\/strong\u003e The 18-8780 is specifically for Indmar 6.0L and 6.2L engines with serial numbers \u003cem\u003eabove\u003c\/em\u003e 164786. If your engine is below that serial number, this is not the correct filter — check the Indmar OEM catalog for the earlier application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy to confuse with 18-8779:\u003c\/strong\u003e The \u003ca href=\"\/products\/sierra-18-8779-marine-oil-filter-indmar-6-2l-ford-inboard\"\u003eSierra 18-8779\u003c\/a\u003e is also an Indmar filter but is cataloged for a different Ford 6.2L application (2015–2016). These two filters are not interchangeable — always match by OEM part number and serial range, not by appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMost common install mistake:\u003c\/strong\u003e Leaving the old sealing gasket stuck to the engine block. Always look for it before threading on the new filter — a double-stacked gasket causes an immediate oil leak on startup.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199651479588,"sku":"47-8780","price":18.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/47-8780.jpg?v=1785611177","url":"https:\/\/marisolmarine.com\/products\/sierra-18-8780-marine-oil-filter-indmar-6-0l-6-2l","provider":"Marisol Marine Company","version":"1.0","type":"link"}