{"title":"Mercury 4-Stroke Outboard Parts: 8-30HP Marine Engines","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is tailored for Mercury 4‑Stroke 8–30HP outboard engines. Use it to find compatible parts and service guidance, including maintenance intervals, commonly replaced items, and troubleshooting tips. You can also browse the main Mercury collection for a broader selection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#1f2937; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 8-30HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eSerial plate location: typically on the swivel bracket (port or starboard). Record the full serial and any model code on the tag.\u003c\/li\u003e\n    \u003cli\u003eModel code basics: suffix letters often indicate shaft length (S=short, L=long), tiller vs. remote controls, and electric start. Check your plate for these details.\u003c\/li\u003e\n    \u003cli\u003ePlatform clues: 8–15HP are usually compact twin-cylinder FourStroke models; 20–30HP often step up in displacement and many later units use EFI. Knowing this helps with propellers, water pump kits, and gearcase parts.\u003c\/li\u003e\n    \u003cli\u003eYear\/region notes: Mercury small FourStrokes span multiple serial ranges and regional builds (e.g., USA vs. BEL). When in doubt, verify parts by serial number.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eSmall Twin-Cylinder 4‑Stroke (8–15HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline‑2 FourStroke; carbureted on earlier units, later updates may add refined fueling and ignition.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e8\/9.9\/15 FourStroke variants (short\/long shaft, tiller or remote, manual\/electric start).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePortable, quiet operation, low fuel consumption, simple service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eImpeller and anodes are routine items. Prop and gear ratio vary by shaft and gearcase; confirm via serial plate before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eMidrange FourStroke (20–30HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin-top:16px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMid‑displacement FourStroke; many 25\/30HP models use EFI in later years, with earlier versions carbureted depending on market\/year.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e20\/25\/30 FourStroke models in standard or larger gearcase options, various shaft lengths and control packages.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStrong midrange torque, good fuel efficiency, capable of pushing heavier small boats or loaded tenders.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSome 25\/30HP share many service parts, but props, gearcase seals, and cooling parts can differ by serial range and gearcase. Verify using your serial number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Mercury FourStroke 8–30HP. Always follow your engine’s official service manual for specifications and procedures.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse FC‑W marine oil; replace filter at each oil change (FourStroke only).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water or metal. Replace gaskets\/seals as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect, gap to spec, replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel filter \/ water-separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace more often with stale or contaminated fuel.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e2–3 seasons (or 200 hours); annually in sandy\/silty water\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRestore cooling performance and protect against overheat.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every trip; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to water type (salt\/brackish\/fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px; color:#6b7280;\"\u003e*Intervals are typical for recreational use; follow the schedule in your Mercury service manual for your specific model and operating conditions.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals – \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak telltale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens for debris, verify telltale hose is clear, check impeller condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, thermostat, intake screen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm fresh fuel, replace\/inspect fuel filter, check prop for damage or over‑pitch.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel filter, spark plugs, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck choke\/EFI prime, inspect plugs and plug wires, look for air leaks on fuel lines and primer bulb.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, fuel lines\/bulb, filters\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise \/ milky or metallic gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain and inspect gear oil, check for water intrusion, inspect prop shaft seals and drain\/fill screw gaskets.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, drain\/fill gaskets, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service items (plugs, anodes, impellers) are shared, but many parts differ by serial range, shaft length, gearcase size, and EFI vs. carbureted versions. Always confirm with your serial number.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace every 2–3 seasons (or ~200 hours), and sooner if operating in sandy, silty, or weedy environments or if the telltale is weak.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange lower unit gear oil every 100 hours or annually. If you see water contamination or metal on the drain magnet, service seals before further use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the full serial number from the swivel bracket tag, shaft length (S\/L\/XL), control type (tiller\/remote), and whether the engine is carbureted or EFI.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:28px; padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Mercury collection and use the filters to narrow to your exact 8–30HP FourStroke.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#1f2937; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"font-size:12px; color:#6b7280; margin-top:8px;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"oil-filter-fits-mercury-honda-tohatsu-8-30-hp-4-stroke-replaces-mercury-822626q03-honda-15400-pfb-004","title":"Oil Filter – Mercury Mariner and Honda Marine Applications (Replaces Mercury 35-822626Q1\/Q03, Honda 15400-ZZ3-003)","description":"\u003csection\u003e\n\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\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;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003espin-on engine oil filter\u003c\/strong\u003e is supplied as a single replacement filter for selected Mercury Mariner and Honda Marine four-stroke outboard applications. It is identified as aftermarket filter \u003cstrong\u003e18-7913\u003c\/strong\u003e and is listed as a replacement for the Mercury and Honda references shown below.\u003c\/p\u003e\n\u003cp\u003eUse the original filter number and your engine service information to confirm fitment before ordering. Part-number compatibility is the primary reference because model, year, serial-number, and engine configuration conditions can vary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpin-on oil filter design for compatible four-stroke gasoline outboards.\u003c\/li\u003e\n  \u003cli\u003e20 mm x 1.5 thread specification as listed for the 18-7913 application.\u003c\/li\u003e\n  \u003cli\u003eAnti-drainback valve helps reduce oil drain-back during engine shutdown and supports oil circulation during the next start.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement; this is not a genuine Mercury or Honda-branded component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following references are associated with this replacement filter. They are provided for identification and interchange checking, not as a guarantee of fitment for every engine carrying a related model name.\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\u003eReference Type\u003c\/th\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\u003eAftermarket reference\u003c\/td\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003e18-7913\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e35-822626Q1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e822626Q03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e822626QK03\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e8M0154778\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e8M0162832\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOEM replacement reference\u003c\/td\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCatalog interchange reference\u003c\/td\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003e15400-PFB-014\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eCatalog data associates the Honda reference \u003cstrong\u003e15400-ZZ3-003\u003c\/strong\u003e with selected four-stroke Honda Marine models, including the examples below. The available records do not provide complete year or serial-number ranges, so verify the exact engine identification and service-manual part number before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Honda Marine Engine 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\u003eReference\u003c\/th\u003e\n        \u003cth\u003eFitment Note\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBFP8\u003c\/td\u003e\n        \u003ctd\u003e8 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBFP9\u003c\/td\u003e\n        \u003ctd\u003e9 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBFP15\u003c\/td\u003e\n        \u003ctd\u003e15 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBF20\u003c\/td\u003e\n        \u003ctd\u003e20 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBFP20\u003c\/td\u003e\n        \u003ctd\u003e20 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda Marine\u003c\/td\u003e\n        \u003ctd\u003eBF60 \/ BFP60\u003c\/td\u003e\n        \u003ctd\u003e60 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e15400-ZZ3-003\u003c\/td\u003e\n        \u003ctd\u003eCatalog occurrence; verify year and serial range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eMercury Mariner applications are associated with the Mercury references listed in the Part Number Matrix. Do not rely on horsepower alone: confirm that your existing filter or engine documentation specifies one of those references before purchase.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eEngine oil filter\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eSpin-on\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected four-stroke gasoline outboards\u003c\/dd\u003e\n  \u003cdt\u003eThread Size\u003c\/dt\u003e\n  \u003cdd\u003e20 mm x 1.5\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n  \u003cdd\u003e18-7913\u003c\/dd\u003e\n  \u003cdt\u003eAnti-Drainback Valve\u003c\/dt\u003e\n  \u003cdd\u003eYes, as listed for this filter application\u003c\/dd\u003e\n  \u003cdt\u003eBrand Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement; not an OEM component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e aftermarket spin-on engine oil filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional gaskets, drain washers, tools, or maintenance-kit components are included with this single filter.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn the engine off, allow it to cool, and place an oil drain pan beneath the filter.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing filter by turning it counter-clockwise with an appropriate filter wrench if necessary.\u003c\/li\u003e\n  \u003cli\u003eClean the filter mounting surface and confirm that the old gasket has been removed.\u003c\/li\u003e\n  \u003cli\u003eApply a thin film of clean engine oil to the new filter gasket.\u003c\/li\u003e\n  \u003cli\u003eThread the new filter onto the mounting point by hand until the gasket contacts the sealing surface.\u003c\/li\u003e\n  \u003cli\u003eTighten the filter by hand according to the engine manufacturer's service instructions. Do not overtighten or use excessive wrench force.\u003c\/li\u003e\n  \u003cli\u003eRefill the engine with the manufacturer-specified oil and check the level.\u003c\/li\u003e\n  \u003cli\u003eStart the engine briefly, inspect the filter area for leaks, shut the engine off, and recheck the oil level after the oil settles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAlways follow the engine manufacturer's service manual for oil type, oil quantity, tightening instructions, and maintenance intervals.\u003c\/p\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this filter fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare the part number on your existing filter or in the engine service manual with the references listed on this page. Confirm the complete engine model, year, serial-number range, and stroke designation where applicable. Do not use horsepower alone to determine fitment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM filter?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement filter. Mercury Mariner and Honda part numbers are shown only as replacement and identification references.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this filter on a two-stroke engine?\u003c\/summary\u003e\n  \u003cp\u003eNo. This filter is intended for compatible four-stroke outboard applications. Confirm the required filter reference before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat does the anti-drainback valve do?\u003c\/summary\u003e\n  \u003cp\u003eThe anti-drainback valve helps limit oil draining back into the crankcase while the engine is stopped, which can support faster oil availability during the next start.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if the filter leaks after installation?\u003c\/summary\u003e\n  \u003cp\u003eStop the engine immediately. Check that the old gasket was removed, the new gasket is seated correctly, the filter is installed straight, and the filter is tightened according to the manufacturer's instructions. Do not continue operating the engine with an oil leak.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the oil filter be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplace the filter at the interval specified in your engine manufacturer's maintenance schedule, normally during an oil change. Service intervals vary by engine model and operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the original part number, thread specification, and application before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not install this filter on an engine requiring a different filter reference or thread size.\u003c\/li\u003e\n  \u003cli\u003eDispose of used oil and the old filter in accordance with local regulations.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with marine engine servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket components for maintenance and repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Part-number references are provided to help customers compare replacement options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintenance Support\u003c\/strong\u003e — Always consult the engine manufacturer's service information for final fitment and service requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723984834875,"sku":"23OF804","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Oil_Filter_for_Mercury_and_Honda_8_99_135_15_25_30_HP__18-7913_-_JLM_MARINE-8286700.jpg?v=1763039426"}],"url":"https:\/\/seasierra.com\/collections\/mercury-4-stroke-outboard-parts-8-30hp-marine-engines.oembed","provider":"SeaSierra","version":"1.0","type":"link"}