{"product_id":"kefly-water-separating-fuel-filter-35-802893q01-25-micron-replacement-for-mercury-mariner-outboards","title":"Kefly Water-Separating Fuel Filter 35-802893Q01 — 25-Micron Replacement for Mercury\/Mariner Outboards","description":"\u003cp\u003e\u003cstrong\u003eThe Kefly 35-802893Q01 is a water-separating fuel filter designed to protect Mercury Marine outboards and MerCruiser engines by trapping water and contaminants before they reach the fuel system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a 25-micron filter element and engineered for marine applications, this replacement fuel filter helps prevent fuel-related performance problems such as rough idling, reduced power, and clogged injectors. It fits a wide range of Mercury Mariner outboards and MerCruiser sterndrives\/inboards (with specific exceptions), and is intended as a seasonal or periodic maintenance item to keep your engine running reliably on the water.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter remove water and protect my engine?\u003c\/h3\u003e\n\u003cp\u003eThe Kefly 35-802893Q01 separates free water and captures solid contaminants using a media rated to 25 microns. Water droplets settle out while particulate matter is trapped in the filter media, reducing the chance of injector or carburetor blockages and corrosion in the fuel system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e25-micron element captures fine particles that harm fuel systems.\u003c\/li\u003e\n  \u003cli\u003eWater-separating design sheds free water before it reaches the engine.\u003c\/li\u003e\n  \u003cli\u003eReduces risk of stalling, misfires, and degraded performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Mercury and MerCruiser engines will this part fit?\u003c\/h3\u003e\n\u003cp\u003eThis replacement filter is compatible with most Mercury Marine outboards and MerCruiser sterndrives and inboard engines. Note the specified exceptions: it does not fit 1992 MerCruiser 4.3L Gen II engines equipped with an in-line fuel filter, nor 1.6L Vazer and 3.0L MPI engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement part number: 35-802893Q01 for easy cross-referencing.\u003c\/li\u003e\n  \u003cli\u003eFits a broad range of Mercury Mariner outboards and MerCruiser models.\u003c\/li\u003e\n  \u003cli\u003eCheck engine model\/year against exceptions before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace the Kefly water-separating filter?\u003c\/h3\u003e\n\u003cp\u003eFor normal recreational use, the manufacturer guidance is to replace the filter once per season or every 100 hours of operation, whichever comes first. Replace sooner if you notice fuel-related issues, contamination, or after long storage where water intrusion may have occurred.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended service interval: one season or 100 operating hours.\u003c\/li\u003e\n  \u003cli\u003eReplace immediately if fuel smells of water or performance drops.\u003c\/li\u003e\n  \u003cli\u003eKeep a spare on board for extended trips or remote maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits will I notice after installing this filter?\u003c\/h3\u003e\n\u003cp\u003eInstalling the Kefly 35-802893Q01 helps maintain steady engine performance and reduces the likelihood of fuel-system damage caused by moisture and debris. You should see smoother starts, more consistent throttle response, and fewer fuel-related interruptions while boating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved engine reliability during extended runs.\u003c\/li\u003e\n  \u003cli\u003eFewer clogs to fuel lines, pumps, and injectors.\u003c\/li\u003e\n  \u003cli\u003eLower long-term repair risk for fuel-system components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Kefly 35-802893Q01 is aimed at boat owners, marine mechanics, and fleet operators who use Mercury Mariner outboards or MerCruiser sterndrives\/inboards and want a reliable, OEM-style fuel filter that removes water and fine contaminants. If you perform routine engine maintenance, operate in wet or variable fuel-quality environments, or need a drop-in replacement part (35-802893Q01), this filter is a practical choice to protect your fuel system and maintain performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with my Mercury outboard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most Mercury Mariner outboards and MerCruiser engines except 1992 4.3L Gen II with in-line filters, 1.6L Vazer, and 3.0L MPI engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the 35-802893Q01?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace after one season or every 100 hours of operation under normal use, or sooner if fuel contamination is suspected.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kefly","offers":[{"title":"Default Title","offer_id":48085568684190,"sku":"B0FPWNJQNV","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kefly-front-packaging-filter.jpg?v=1785873491","url":"https:\/\/northtrailauto.ca\/products\/kefly-water-separating-fuel-filter-35-802893q01-25-micron-replacement-for-mercury-mariner-outboards","provider":"North Trail Auto","version":"1.0","type":"link"}