{"product_id":"intake-silencer-o-ring-fits-yamaha-2hp-60hp-70hp-75hp-80hp-85hp-90hp-replaces-93210-46044-18-7436","title":"Intake Silencer O-Ring – Fits Yamaha 2HP 60HP 70HP 75HP 80HP 85HP 90HP (Replaces 93210-46044, 18-7436)","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 Intake Silencer O-Ring fits Yamaha 2HP, 60HP, 70HP, 75HP, 80HP, 85HP, and 90HP outboard engines across multiple years and configurations. Designed to seal the intake silencer assembly, this aftermarket O-ring ensures a reliable air-tight seal for consistent engine performance on air cleaner, bracket, intake, and lower drive assemblies.\u003c\/p\u003e\n\u003cp\u003eThis part directly replaces Yamaha 93210-46044-00, Sierra 18-7436, GLM 84290, and Mallory 9-76615.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSold as a lot of 2 O-rings\u003c\/li\u003e\n  \u003cli\u003eCompatible with Yamaha 2-stroke and 4-stroke outboard engines from 1984–2009\u003c\/li\u003e\n  \u003cli\u003eDesigned for marine environments with fuel and moisture resistance\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\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e93210-46044-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-7436\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e84290\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-76615\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\u003eHP\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eAssembly\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\u003e2\u003c\/td\u003e\n        \u003ctd\u003e1984–1987, 2002\u003c\/td\u003e\n        \u003ctd\u003eBRACKET\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e2\u003c\/td\u003e\n        \u003ctd\u003e1988–2001\u003c\/td\u003e\n        \u003ctd\u003eBRACKET 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003e1991, 1993\u003c\/td\u003e\n        \u003ctd\u003eLOWER DRIVE 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e70\u003c\/td\u003e\n        \u003ctd\u003e1987–1989, 1991–1992\u003c\/td\u003e\n        \u003ctd\u003eLOWER DRIVE 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e75\u003c\/td\u003e\n        \u003ctd\u003e1996–1999\u003c\/td\u003e\n        \u003ctd\u003eINTAKE\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e80\u003c\/td\u003e\n        \u003ctd\u003e1997\u003c\/td\u003e\n        \u003ctd\u003eINTAKE\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e85\u003c\/td\u003e\n        \u003ctd\u003e1990\u003c\/td\u003e\n        \u003ctd\u003eLOWER DRIVE 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e1984\u003c\/td\u003e\n        \u003ctd\u003eINTAKE 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e1985\u003c\/td\u003e\n        \u003ctd\u003eAIR CLEANER 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e1986–1987\u003c\/td\u003e\n        \u003ctd\u003eAIR CLEANER\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e1988–2009\u003c\/td\u003e\n        \u003ctd\u003eINTAKE\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003e1984–1993\u003c\/td\u003e\n        \u003ctd\u003eLOWER DRIVE 1\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\u003eOEM Number\u003c\/dt\u003e\n  \u003cdd\u003e93210-46044\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eIntake Silencer Seal\u003c\/dd\u003e\n  \u003cdt\u003eType\u003c\/dt\u003e\n  \u003cdd\u003eO-Ring\u003c\/dd\u003e\n  \u003cdt\u003eQuantity per Lot\u003c\/dt\u003e\n  \u003cdd\u003e2\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eFuel \u0026amp; moisture resistant elastomer\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\u003e2 × Intake Silencer O-Rings\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn off the engine and disconnect the battery before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove the air intake silencer cover or assembly to access the old O-ring.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the old O-ring, cleaning the groove thoroughly of any debris or residue.\u003c\/li\u003e\n  \u003cli\u003eLightly lubricate the new O-ring with marine grease to ease installation and prevent tearing.\u003c\/li\u003e\n  \u003cli\u003eSeat the new O-ring evenly into the groove, ensuring no twisting or pinching.\u003c\/li\u003e\n  \u003cli\u003eReinstall the silencer assembly, torquing fasteners to manufacturer specifications if available.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and start the engine to verify a proper air-tight seal.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my intake silencer O-ring needs replacement?\u003c\/summary\u003e\n  \u003cp\u003eSigns include rough idling, poor throttle response, air leaks around the intake assembly, visible cracking or flattening of the O-ring, or difficulty starting the engine. Inspect the O-ring during routine maintenance for wear or damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse the old O-ring?\u003c\/summary\u003e\n  \u003cp\u003eNo. O-rings are designed for single use. Reusing a compressed or aged O-ring can result in air leaks and inconsistent engine performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat lubricant should I use during installation?\u003c\/summary\u003e\n  \u003cp\u003eUse a small amount of marine-grade grease or silicone lubricant. Avoid petroleum-based products that may degrade the rubber compound over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this O-ring compatible with both 2-stroke and 4-stroke Yamaha engines?\u003c\/summary\u003e\n  \u003cp\u003eYes, this O-ring fits both 2-stroke and 4-stroke Yamaha outboards listed in the compatibility table. Always verify your engine model and year before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit my engine if the part number matches but the horsepower is different?\u003c\/summary\u003e\n  \u003cp\u003ePart number match is the most reliable indicator. However, confirm the assembly type (intake, bracket, air cleaner, or lower drive) and physical dimensions match your application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I replace the intake silencer O-ring?\u003c\/summary\u003e\n  \u003cp\u003eReplace the O-ring whenever you remove the intake silencer assembly or during scheduled maintenance intervals (typically every 100–200 hours of operation, or every 2–3 years). Inspect annually for visible wear.\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). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\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 5–15 days. Standard shipping is free; expedited options 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\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\n\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":51025817731387,"sku":"2547","price":16.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/s-l1600_124582fc-50e1-4a0c-8cc2-d09fc70a54e7.webp?v=1772959746","url":"https:\/\/seasierra.com\/products\/intake-silencer-o-ring-fits-yamaha-2hp-60hp-70hp-75hp-80hp-85hp-90hp-replaces-93210-46044-18-7436","provider":"SeaSierra","version":"1.0","type":"link"}