{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-8-40-hp-replaces-fo2002","title":"Hydrofoil Stabilizer – Fits Outboard Motors 8-40 HP (Replaces FO2002)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\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\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\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 compact \u003cstrong\u003eWhale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is a performance-enhancing hydrofoil designed for small to mid-sized outboard motors and stern drives. It fits most outboards from 8–40 HP and can work with larger motors up to 300 HP, though some exceptions apply (notably certain Mercury 4-stroke models).\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for SeaSierra FO2002, UanofCn FO2002, and NorthBoat FO2002.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls via bolt-on mounting to the anti-ventilation plate (drilling is required).\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, marine-grade reinforced PA66 nylon plastic.\u003c\/li\u003e\n\u003cli\u003eUV-resistant construction ensures a long service life in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eSeaSierra\u003c\/td\u003e\n        \u003ctd\u003eFO2002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eUanofCn\u003c\/td\u003e\n        \u003ctd\u003eFO2002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNorthBoat\u003c\/td\u003e\n        \u003ctd\u003eFO2002\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\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\u003eFits all Mercury models from 8-40 HP, with the exception of 4-Stroke models in the 40, 50, and 60 HP range.\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\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eExcept 4-Stroke 40, 50, 60 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSuzuki\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eAll models\u003c\/td\u003e\n        \u003ctd\u003e8-40 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003eOther models\u003c\/td\u003e\n        \u003ctd\u003eUp to 300 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eExcept Mercury 4-Stroke 40, 50, 60 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWhale Tail Hydrofoil Stabilizer\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with included hardware (drilling required)\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eAnti-Ventilation Plate Mount\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade Reinforced Nylon PA66 Plastic\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eAvailable in Blue, Red, Silver\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e13.5\" × 14.0\" (343 × 355 mm)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e3.24 lbs (1.47 kg)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to anti-ventilation plate\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eUV-resistant construction\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Hydrofoil Stabilizer (FO2002)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e of Stainless Steel Screws and Nuts\u003c\/li\u003e\n  \u003cli\u003e1 x 6.5mm Drill Bit\u003c\/li\u003e\n  \u003cli\u003e1 x Installation Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePosition the hydrofoil on the anti-ventilation plate, ensuring it is centered and does not interfere with the propeller's movement.\u003c\/li\u003e\n  \u003cli\u003eMark the positions for the four mounting holes using the hydrofoil as a template.\u003c\/li\u003e\n  \u003cli\u003eCarefully drill the four marked holes through the anti-ventilation plate using the included 6.5mm drill bit.\u003c\/li\u003e\n  \u003cli\u003eSecure the hydrofoil to the plate by inserting the stainless steel screws from the top and tightening the nuts from below. Ensure a firm, snug fit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit my 50 HP Mercury 4-Stroke?\u003c\/summary\u003e\n  \u003cp\u003eNo, this hydrofoil is not compatible with Mercury 4-Stroke motors of 40, 50, or 60 HP. It fits most other outboards from 8-40 HP and can work on some larger engines up to 300 HP. Always verify compatibility before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this require drilling into my engine?\u003c\/summary\u003e\n  \u003cp\u003eYes, installation requires drilling four holes into the anti-ventilation plate of your outboard motor. All necessary mounting hardware, including a drill bit, is included in the package to complete the process.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat performance benefits can I expect?\u003c\/summary\u003e\n  \u003cp\u003eA properly installed hydrofoil helps your boat get on plane faster, which can improve fuel efficiency. It also reduces or eliminates porpoising and cavitation while enhancing overall stability and handling at cruising speeds.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I maintain the hydrofoil?\u003c\/summary\u003e\n  \u003cp\u003eThe hydrofoil is made of UV-resistant, marine-grade plastic and requires minimal maintenance. Periodically check that the mounting bolts are secure and rinse the unit with fresh water after use in saltwater environments to prevent corrosion of the hardware.\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). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for consistency and quality.\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 is 5–15 days. Standard shipping is free; expedited options will 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\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\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\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 quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717908205883,"sku":"NB-20HS001 Silver","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/NB-20HS001Silver.png?v=1762947096","url":"https:\/\/seasierra.com\/products\/hydrofoil-stabilizer-fits-outboard-motors-8-40-hp-replaces-fo2002","provider":"SeaSierra","version":"1.0","type":"link"}