{"product_id":"universal-pinion-fits-tohatsu-nissan-9-9hp-15hp-18hp-m9-9d2-m15d2-m18e2-replaces-350-63064-0-350-63064-350-63064m","title":"Universal Pinion – Fits Tohatsu Nissan 9.9HP 15HP 18HP M9.9D2 M15D2 M18E2 (Replaces 350-63064-0, 350-63064, 350-63064M)","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;\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 \u003cstrong\u003eUniversal Pinion\u003c\/strong\u003e is designed for Tohatsu and Nissan outboard engines rated at 9.9HP, 15HP, and 18HP, including models M9.9D2, M15D2, M18E2, NS9.9D2, NS15D2, and NS18E2. Manufactured to OEM-equivalent specifications, this aftermarket pinion fits seamlessly into throttle mechanism and assembly kit configurations for 2003 model year engines.\u003c\/p\u003e\n\u003cp\u003eDirect replacement for OEM part numbers 350-63064-0, 350-63064, and 350-63064M, ensuring proper interchange and fit across compatible engine series.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUsed in throttle mechanism (tiller handle) and assembly kit systems\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for reliable engagement and durability\u003c\/li\u003e\n\u003cli\u003eEssential component for maintaining smooth throttle operation\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        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n        \u003ctd\u003e350-63064\u003c\/td\u003e\n        \u003ctd\u003eAlternate reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n        \u003ctd\u003e350-63064M\u003c\/td\u003e\n        \u003ctd\u003eAlternate reference\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\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\u003eYears\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\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eM9.9D2\u003c\/td\u003e\n        \u003ctd\u003e9.9HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eM15D2\u003c\/td\u003e\n        \u003ctd\u003e15HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eM18E2\u003c\/td\u003e\n        \u003ctd\u003e18HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan\u003c\/td\u003e\n        \u003ctd\u003eNS9.9D2\u003c\/td\u003e\n        \u003ctd\u003e9.9HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan\u003c\/td\u003e\n        \u003ctd\u003eNS15D2\u003c\/td\u003e\n        \u003ctd\u003e15HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan\u003c\/td\u003e\n        \u003ctd\u003eNS18E2\u003c\/td\u003e\n        \u003ctd\u003e18HP\u003c\/td\u003e\n        \u003ctd\u003e2003\u003c\/td\u003e\n        \u003ctd\u003e350-63064-0\u003c\/td\u003e\n        \u003ctd\u003eThrottle Mechanism – Tiller Handle \/ Assembly – Kit\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\u003eManufacturer Part Number\u003c\/dt\u003e\n  \u003cdd\u003e350-63064-0, 350-63064, 350-63064M\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eThrottle Mechanism (Tiller Handle) \/ Assembly Kit\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Brands\u003c\/dt\u003e\n  \u003cdd\u003eTohatsu, Nissan Marine\u003c\/dd\u003e\n  \u003cdt\u003eCompatible HP Ratings\u003c\/dt\u003e\n  \u003cdd\u003e9.9HP, 15HP, 18HP\u003c\/dd\u003e\n  \u003cdt\u003eType\u003c\/dt\u003e\n  \u003cdd\u003eUniversal Pinion\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1× Universal Pinion\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e(The package contains all the parts shown in the picture.)\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and remove any fuel line connections before beginning work on the throttle assembly.\u003c\/li\u003e\n\u003cli\u003eAccess the throttle mechanism by removing the tiller handle cover or relevant engine cowling as required for your model.\u003c\/li\u003e\n\u003cli\u003eCarefully note the orientation and position of the old pinion before removal to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003eRemove the worn or damaged pinion, taking care not to force or damage surrounding components.\u003c\/li\u003e\n\u003cli\u003eClean the mating surfaces and inspect adjacent gears or linkages for wear or damage.\u003c\/li\u003e\n\u003cli\u003eInstall the new universal pinion in the same orientation as the original part.\u003c\/li\u003e\n\u003cli\u003eEnsure full engagement with mating gears and verify smooth rotation by hand.\u003c\/li\u003e\n\u003cli\u003eReassemble the throttle mechanism, tighten all fasteners to manufacturer specifications, and test throttle movement through full range before operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if the pinion needs replacement?\u003c\/summary\u003e\u003cp\u003eCommon signs include rough or inconsistent throttle operation, clicking or grinding noises when adjusting the throttle, or visible wear\/damage to the pinion teeth. If the throttle feels sticky or does not return smoothly, inspect the pinion and surrounding linkage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit both Tohatsu and Nissan engines?\u003c\/summary\u003e\u003cp\u003eYes, this universal pinion is compatible with both Tohatsu and Nissan marine outboards in the specified HP ranges and model years. Nissan Marine engines of this era share many components with Tohatsu designs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I install this pinion myself?\u003c\/summary\u003e\u003cp\u003eInstallation is straightforward for those with basic mechanical skills and familiarity with outboard engine service. However, professional installation is recommended if you are unsure about disassembly procedures or proper alignment of throttle components.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs lubrication required after installation?\u003c\/summary\u003e\u003cp\u003eYes, apply a thin coat of marine-grade grease to the pinion teeth and mating surfaces during installation to ensure smooth operation and reduce wear. Avoid over-greasing, which can attract dirt and debris.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat if my throttle still feels rough after replacing the pinion?\u003c\/summary\u003e\u003cp\u003eInspect the entire throttle linkage, cables, and associated gears for wear, corrosion, or binding. Verify that all components are properly aligned and that cable tension is correctly adjusted. If problems persist, consult a marine technician.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\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\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications against 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\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025817305403,"sku":"24UP484","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_85ff44d3-ec1f-4f54-a61e-2634cdf3c9c1.jpg?v=1772959728","url":"https:\/\/seasierra.com\/products\/universal-pinion-fits-tohatsu-nissan-9-9hp-15hp-18hp-m9-9d2-m15d2-m18e2-replaces-350-63064-0-350-63064-350-63064m","provider":"SeaSierra","version":"1.0","type":"link"}