{"product_id":"879884t-cartridge-fuel-filter-compatible-mercury-mariner-30-60hp","title":"879884T Cartridge Fuel Filter Compatible with Mercury Mariner 30-60HP","description":"\n        \u003ch2\u003e879884T Cartridge Fuel Filter for Mercury Mariner Outboard Engines\u003c\/h2\u003e\n        \u003cp\u003eThe 879884T cartridge type fuel filter assembly is engineered for Mercury and Mariner 30HP to 60HP EFI 4-stroke outboard engines. Featuring advanced 20-micron filtration, this filter removes fuel-borne contaminants — dirt, rust particles and water moisture — keeping your outboard's injection system protected and running at peak power.\u003c\/p\u003e\n\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/aplus_1.jpg?v=1787378788\" alt=\"879884T fuel filter for Mercury Mariner outboard\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;display:block;\"\u003e\n\n        \u003ch3\u003e📋 Key Takeaways\u003c\/h3\u003e\n        \u003cul\u003e\n          \u003cli\u003e✅ \u003cstrong\u003eDirect OE Replacement:\u003c\/strong\u003e Replaces Mercury \/ Mariner part numbers 879884T and 35-879884T.\u003c\/li\u003e\n          \u003cli\u003e✅ \u003cstrong\u003eBroad Fitment:\u003c\/strong\u003e Fits 30HP, 35HP, 40HP, 50HP and 60HP 3-cylinder and 4-cylinder EFI 4-stroke outboards.\u003c\/li\u003e\n          \u003cli\u003e✅ \u003cstrong\u003e20-Micron Protection:\u003c\/strong\u003e Advanced media blocks dirt, rust particles and water moisture before they reach the injection system.\u003c\/li\u003e\n          \u003cli\u003e✅ \u003cstrong\u003eLeak-Resistant Seal:\u003c\/strong\u003e Precision-molded housing with a snug O-ring fit engineered to resist leaks.\u003c\/li\u003e\n          \u003cli\u003e✅ \u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e No special tools needed — swap it at the dock or in your garage.\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/aplus_2.jpg?v=1787378791\" alt=\"20 micron fuel filter removes water and rust for outboard\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;display:block;\"\u003e\n\n        \u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n        \u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n          \u003ctr\u003e\n\u003cth style=\"width: 35%;\"\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBenefit (What It Means for You)\u003c\/th\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003e20-Micron Filter Media\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eCaptures dirt, rust particles and water moisture before they reach high-pressure injectors, helping prevent hard starting, rough idling and power loss.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eWater \u0026amp; Rust Removal\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eRemoves damaging fuel-borne contaminants that can rob performance and cause engine damage — cleaner fuel, longer engine life.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003ePrecision-Molded Housing\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eSnug O-ring fit engineered to resist leaks under fuel system pressure and engine vibration.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eTool-Free Installation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eNo special tools required — service your outboard at the dock or in your home garage in minutes.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFactory Tested\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eEvery unit is air-leak and pressure tested for consistent quality you can rely on.\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n\n        \u003ch3 id=\"compatibility\"\u003eCompatibility \u0026amp; Cross-Reference\u003c\/h3\u003e\n        \u003ch4\u003eReplaces OE Part Numbers:\u003c\/h4\u003e\n        \u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n          \u003ctr\u003e\n\u003cth style=\"width: 50%;\"\u003eInterchange Part Number\u003c\/th\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFJ-WSFF10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eiFJF\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e879884T\u003c\/td\u003e\n\u003ctd\u003eMercury \/ Mariner OE\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e35-879884T\u003c\/td\u003e\n\u003ctd\u003eMercury \/ Mariner OE\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n        \u003ch4\u003eCommon Applications:\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eMercury 30HP, 35HP, 40HP, 50HP and 60HP — 3-cylinder and 4-cylinder EFI 4-stroke outboards\u003c\/li\u003e\n          \u003cli\u003eMariner 30HP, 35HP, 40HP, 50HP and 60HP — 3-cylinder and 4-cylinder EFI 4-stroke outboards\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp style=\"font-size:13px;color:#b00020;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This filter is designed for EFI 4-stroke models. It is not compatible with 2-stroke carbureted engines — please verify your engine type before ordering.\u003c\/p\u003e\n\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/aplus_3.jpg?v=1787378794\" alt=\"tool free cartridge fuel filter installation for outboard\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;display:block;\"\u003e\n\n        \u003ch3\u003eSpecifications\u003c\/h3\u003e\n        \u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n          \u003ctr\u003e\n\u003ctd style=\"width: 40%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFJ-WSFF10 (iFJF)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e879884T \/ 35-879884T\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCartridge Type Fuel Filter Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 Micron\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury \/ Mariner 30-60HP EFI 4-stroke outboards\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTool-free, hand-tighten\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × cartridge fuel filter assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n\n        \u003ch3\u003eWhy Choose iFJF Over the OE Dealership?\u003c\/h3\u003e\n        \u003cdiv class=\"warranty-box\"\u003e\n          \u003cstrong\u003e🛡️ 1-Year Warranty Included · 30-Day Easy Returns · Lifetime Support\u003c\/strong\u003e\u003cbr\u003e\n          \u003cspan style=\"font-size:13px;\"\u003eNot satisfied? Return it. Fails prematurely? We'll replace it — no receipt-hoarding, no dealership runaround.\u003c\/span\u003e\n        \u003c\/div\u003e\n        \u003cp\u003eAs a professional filter manufacturer with a \u003cstrong\u003eCNAS certified laboratory\u003c\/strong\u003e, we design and build our products to strictly match — and often exceed — OE specifications. Every single unit undergoes rigorous quality verification:\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e🔬 \u003cstrong\u003eLab-Tested Performance:\u003c\/strong\u003e Validated for filtration efficiency, particle holding capacity and burst strength.\u003c\/li\u003e\n          \u003cli\u003e🔍 \u003cstrong\u003e100% Leakage Control:\u003c\/strong\u003e Factory-tested under high pressure to ensure zero leakage.\u003c\/li\u003e\n          \u003cli\u003e🛡️ \u003cstrong\u003ePremium Build Quality:\u003c\/strong\u003e Precision-molded housing with O-ring sealing for harsh marine environments.\u003c\/li\u003e\n          \u003cli\u003e💰 \u003cstrong\u003eFactory-Direct Supply:\u003c\/strong\u003e Commercial-grade quality directly from the manufacturer, no middleman markup.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp style=\"font-size:13px;color:#555;\"\u003e⭐ Parts in stock and ready to ship from our US warehouse.\u003c\/p\u003e\n\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/aplus_4.jpg?v=1787378798\" alt=\"marine fuel filter maintenance for outboard engine\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;display:block;\"\u003e\n\n        \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n        \u003ch4\u003eQ: Will this fit my Mercury 60HP 4-stroke outboard?\u003c\/h4\u003e\n        \u003cp\u003eA: Yes. This filter is a direct replacement for Mercury and Mariner 30HP, 35HP, 40HP, 50HP and 60HP 3-cylinder and 4-cylinder EFI 4-stroke outboard engines, replacing part numbers 879884T and 35-879884T.\u003c\/p\u003e\n        \u003ch4\u003eQ: Does this fuel filter remove water from the fuel?\u003c\/h4\u003e\n        \u003cp\u003eA: Yes. The 20-micron filter media removes damaging fuel-borne contaminants including dirt, rust particles and water moisture that can rob performance and cause engine damage.\u003c\/p\u003e\n        \u003ch4\u003eQ: Does this filter leak at the housing?\u003c\/h4\u003e\n        \u003cp\u003eA: Every filter is dimensional-matched to the 879884T \/ 35-879884T specifications, with a precision-molded housing and snug O-ring seal engineered to resist leaks under fuel system pressure and engine vibration.\u003c\/p\u003e\n        \u003ch4\u003eQ: Do I need special tools to install it?\u003c\/h4\u003e\n        \u003cp\u003eA: No special tools are needed. It is a straightforward cartridge replacement that installs by hand, so you can service your outboard at the dock or in your home garage.\u003c\/p\u003e\n        \u003ch4\u003eQ: What is the micron rating of this filter?\u003c\/h4\u003e\n        \u003cp\u003eA: This filter uses 20-micron filtration media to remove dirt, rust particles and water moisture from the fuel supply.\u003c\/p\u003e\n        \u003ch4\u003eQ: What are the installation steps?\u003c\/h4\u003e\n        \u003col\u003e\n          \u003cli\u003eEnsure the engine is off and cool, and observe fuel safety precautions.\u003c\/li\u003e\n          \u003cli\u003eRemove the old cartridge filter assembly by hand.\u003c\/li\u003e\n          \u003cli\u003eClean the mounting surface and check the O-ring area.\u003c\/li\u003e\n          \u003cli\u003eInstall the new cartridge and hand-tighten until snug. Do not over-tighten.\u003c\/li\u003e\n          \u003cli\u003ePrime the fuel system, start the engine and check carefully for leaks.\u003c\/li\u003e\n        \u003c\/ol\u003e\n\n        \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n        \u003cul\u003e\n          \u003cli\u003e1 × 879884T Cartridge Type Fuel Filter Assembly\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003ch3\u003eCommon Problems with OE\/Aftermarket Fuel Filters — Solved by iFJF\u003c\/h3\u003e\n        \u003cp style=\"font-size:13px;color:#666;\"\u003eWe analyzed verified customer reviews of OE and aftermarket alternatives. Here's what outboard owners keep complaining about — and how we fixed it:\u003c\/p\u003e\n        \u003ctable class=\"pain-sol\"\u003e\n          \u003ctr style=\"background:#fafafa;\"\u003e\n\u003cth style=\"width:35%;\"\u003e❌ What Owners Complain About\u003c\/th\u003e\n\u003cth style=\"width:5%;\"\u003e\u003c\/th\u003e\n\u003cth style=\"width:60%;\"\u003e✅ How iFJF Solved It\u003c\/th\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Cheap replacement filters leak at the housing.\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:12px;color:#888;\"\u003e— Common complaint in aftermarket reviews\u003c\/span\u003e\n\u003c\/td\u003e\n            \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003ePrecision-molded housing with snug O-ring fit\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:13px;\"\u003eDimensional-matched to 879884T \/ 35-879884T and air-leak \/ pressure tested, engineered to resist leaks under fuel pressure and vibration.\u003c\/span\u003e\n\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Not sure if it fits my Mercury outboard.\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:12px;color:#888;\"\u003e— Common concern in Q\u0026amp;A and reviews\u003c\/span\u003e\n\u003c\/td\u003e\n            \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003eExplicit fitment for 30-60HP EFI 4-stroke\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:13px;\"\u003eCovers 30HP, 35HP, 40HP, 50HP and 60HP 3 \u0026amp; 4-cylinder EFI 4-stroke engines — verify your engine type against our Cross-Reference table.\u003c\/span\u003e\n\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Aftermarket quality vs OEM — will it protect my engine?\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:12px;color:#888;\"\u003e— Common concern in reviews\u003c\/span\u003e\n\u003c\/td\u003e\n            \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n            \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e20-micron media + factory testing\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:13px;\"\u003eRemoves dirt, rust and water moisture; every unit air-leak and pressure tested. Factory-direct value at a fraction of dealership pricing.\u003c\/span\u003e\n\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/table\u003e\n        \u003cp style=\"margin-top:10px;font-size:13px;\"\u003e🔎 \u003cem\u003eWe read the 1-star and 2-star reviews so you don't have to. Every iFJF product is engineered to solve the real problems owners actually face — not just match a spec sheet.\u003c\/em\u003e\u003c\/p\u003e\n\n        \u003cdiv class=\"wholesale-box\"\u003e\n          \u003cstrong\u003eFactory Direct Supply \u0026amp; Wholesale\u003c\/strong\u003e — iFJF is a direct manufacturer of high-performance automotive and marine filtration products, backed by \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e and \u003cstrong\u003eIATF 16949:2016\u003c\/strong\u003e quality management system certifications. Custom specifications and bulk orders are highly welcome. Contact us for exclusive dealer pricing and volume discounts.\u003cbr\u003e\n          \u003cstrong\u003eEmail:\u003c\/strong\u003e support@ifjf.com\n        \u003c\/div\u003e","brand":"iFJF","offers":[{"title":"Default Title","offer_id":51499676205302,"sku":"FJ-WSFF10","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/faa6547207132e1211c5822690a87ab3.jpg?v=1787378833","url":"https:\/\/ifjf.net\/products\/879884t-cartridge-fuel-filter-compatible-mercury-mariner-30-60hp","provider":"iFJF Direct","version":"1.0","type":"link"}