{"product_id":"cartridge-fuel-filter-for-mercury-mariner-30-40-50-60-hp-879884t","title":"Cartridge Fuel Filter for Mercury Mariner 30 40 50 60 HP 879884T","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n    \u003ch2\u003eProduct Details\u003c\/h2\u003e\n    \u003cp\u003eThis \u003cstrong\u003eCartridge Fuel Filter – Fits Mercury\/Mariner 30-60 HP Outboards (Replaces 35-879884T, 879884T)\u003c\/strong\u003e is designed for Mercury\/Mariner 30-60 HP 4-stroke EFI engines, including both 3-cylinder and 4-cylinder models that feature a screw-on filter bowl mounted under the engine cowl. Its 20-micron filtration media effectively removes contaminants to protect your fuel system.\u003c\/p\u003e\n    \u003cp\u003eIt serves as a direct interchange for Mercury part numbers 35-879884T and 879884T.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eInstalls directly under the engine cowl for easy access.\u003c\/li\u003e\n        \u003cli\u003eFeatures a translucent bowl for quick visual inspection of fuel quality and debris.\u003c\/li\u003e\n        \u003cli\u003eEngineered for gasoline fuel applications in marine environments.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n    \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n        \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eBrand\u003c\/th\u003e\n                    \u003cth\u003ePart Number\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury\u003c\/td\u003e\n                    \u003ctd\u003e35-879884T\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury\u003c\/td\u003e\n                    \u003ctd\u003e879884T\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n    \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n    \u003cp\u003eThis filter is designed for specific Mercury and Mariner EFI outboards.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n        \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eBrand\u003c\/th\u003e\n                    \u003cth\u003eModel\u003c\/th\u003e\n                    \u003cth\u003eRated HP\u003c\/th\u003e\n                    \u003cth\u003eStroke\u003c\/th\u003e\n                    \u003cth\u003eOEM Part No.\u003c\/th\u003e\n                    \u003cth\u003eNotes\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n                    \u003ctd\u003e3-cylinder EFI\u003c\/td\u003e\n                    \u003ctd\u003e30-40\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e35-879884T\u003c\/td\u003e\n                    \u003ctd\u003e-\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n                    \u003ctd\u003e4-cylinder\u003c\/td\u003e\n                    \u003ctd\u003e40-50-60\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e35-879884T\u003c\/td\u003e\n                    \u003ctd\u003e-\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n    \u003cdl\u003e\n        \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eInline Cartridge Fuel Filter Assembly\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eUnder-cowl, inline\u003c\/dd\u003e\n        \u003cdt\u003eFiltration Rating\u003c\/dt\u003e\n\u003cdd\u003e20 micron\u003c\/dd\u003e\n        \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n        \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePlastic with translucent bowl\u003c\/dd\u003e\n        \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eClear\/Translucent bowl\u003c\/dd\u003e\n        \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e10 × 8 × 4 cm (3.9 × 3.1 × 1.6 inches)\u003c\/dd\u003e\n        \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.4 kg (0.88 lbs)\u003c\/dd\u003e\n        \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eScrew-on filter bowl\u003c\/dd\u003e\n        \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFeatures a translucent bowl for visual inspection of fuel content and debris\u003c\/dd\u003e\n    \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e1 x Cartridge Type Fuel Filter Assembly (35-879884T\/879884T)\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003eEnsure the engine is off, cool, and the battery is disconnected.\u003c\/li\u003e\n        \u003cli\u003eRelieve fuel system pressure according to your engine's service manual to prevent spills.\u003c\/li\u003e\n        \u003cli\u003ePlace an absorbent rag under the filter to catch any residual fuel.\u003c\/li\u003e\n        \u003cli\u003eUnscrew the old filter bowl and remove the old cartridge. Note the orientation of any O-rings or seals.\u003c\/li\u003e\n        \u003cli\u003eClean the filter housing bowl before inserting the new filter cartridge.\u003c\/li\u003e\n        \u003cli\u003eLightly lubricate the new seals with clean engine oil and install them correctly.\u003c\/li\u003e\n        \u003cli\u003eScrew the bowl assembly back on, tightening it to the manufacturer's specified torque. Do not overtighten.\u003c\/li\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003ePrime the fuel system as per your engine manual.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and carefully inspect the filter for any leaks.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I know if this filter fits my specific engine model?\u003c\/summary\u003e\n        \u003cp\u003eThis filter is for Mercury\/Mariner 30-60 HP 4-stroke EFI outboards. The most reliable way to confirm fitment is to match the part number (35-879884T or 879884T) with your existing filter or service manual. Also, verify that your engine has a screw-on filter bowl located under the cowl.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat is the advantage of the translucent bowl?\u003c\/summary\u003e\n        \u003cp\u003eThe clear, translucent bowl allows you to visually inspect for water, rust, dirt, and other contaminants in your fuel at a glance. This helps in early diagnosis of fuel quality issues before they can damage your engine.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow often should this fuel filter be replaced?\u003c\/summary\u003e\n        \u003cp\u003eFor optimal engine performance and protection, it is recommended to replace your fuel filter annually or every 100 hours of operation, whichever comes first. Refer to your engine's service manual for the precise maintenance interval.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat are symptoms of a clogged or failing fuel filter?\u003c\/summary\u003e\n        \u003cp\u003eCommon signs include engine bogging down at high speeds, difficulty starting, rough idling, stalling, or a noticeable loss of power. If you see significant debris or water in the filter bowl, it is time for a replacement.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n        \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n        \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n        \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966419259,"sku":"23FF161","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Cartridge_Fuel_Filter_for_Mercury_Mariner_30_40_50_60_HP__879884T_-_JLM_MARINE-8288123.jpg?v=1763038629","url":"https:\/\/seasierra.com\/products\/cartridge-fuel-filter-for-mercury-mariner-30-40-50-60-hp-879884t","provider":"SeaSierra","version":"1.0","type":"link"}