{"product_id":"propeller-shaft-bearing-housing-spanner-nut-fits-yamaha-150hp-175hp-200hp-225hp-replaces-6g5-45384-00-6g5-45384-01-6g5-45384-02","title":"Propeller Shaft Bearing Housing Spanner Nut – Fits Yamaha 150HP 175HP 200HP 225HP (Replaces 6G5-45384-00, 6G5-45384-01, 6G5-45384-02)","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\u003ePropeller Shaft Bearing Housing Spanner Nut\u003c\/strong\u003e is engineered for Yamaha outboard motors rated at 150HP, 175HP, 200HP, and 225HP. Designed as a lower gearcase locking ring nut, this component secures the propeller shaft bearing housing within the lower unit assembly, ensuring reliable operation and proper shaft retention.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement directly interchanges with Yamaha OEM part numbers 6G5-45384-00, 6G5-45384-01, and 6G5-45384-02.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTailored for Yamaha outboard lower gearbox units\u003c\/li\u003e\n\u003cli\u003ePrecision-manufactured to align with original equipment standards\u003c\/li\u003e\n\u003cli\u003eEnsures exact fit and consistent performance\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\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-00\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-01\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-02\u003c\/td\u003e\n        \u003ctd\u003eOEM 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\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003e150HP\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-00, 6G5-45384-01, 6G5-45384-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e175HP\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-00, 6G5-45384-01, 6G5-45384-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e200HP\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-00, 6G5-45384-01, 6G5-45384-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e225HP\u003c\/td\u003e\n        \u003ctd\u003e6G5-45384-00, 6G5-45384-01, 6G5-45384-02\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\u003ePart Type\u003c\/dt\u003e\n  \u003cdd\u003eLower Unit Spanner Nut \/ Locking Ring Nut\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003ePropeller Shaft Bearing Housing\u003c\/dd\u003e\n  \u003cdt\u003eFitment\u003c\/dt\u003e\n  \u003cdd\u003eYamaha Outboard 150–225HP\u003c\/dd\u003e\n  \u003cdt\u003eOEM Number\u003c\/dt\u003e\n  \u003cdd\u003e6G5-45384\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 × Locking Ring Nut\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDrain the lower unit gear oil completely and remove the propeller assembly.\u003c\/li\u003e\n  \u003cli\u003eCarefully separate the lower unit from the mid-section housing following your service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the old spanner nut using the appropriate spanner wrench; inspect the propeller shaft bearing housing for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces and threads thoroughly to ensure proper seating.\u003c\/li\u003e\n  \u003cli\u003eInstall the new locking ring nut by hand, then torque to manufacturer specifications using a calibrated wrench.\u003c\/li\u003e\n  \u003cli\u003eReassemble the lower unit, refill with the correct gear oil grade, and reinstall the propeller.\u003c\/li\u003e\n  \u003cli\u003eTest the installation by rotating the propeller shaft to confirm smooth operation without binding.\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 spanner nut needs replacement?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include visible thread damage, corrosion that prevents proper tightening, or looseness during routine inspection. If the nut cannot hold the specified torque or shows cracks, replace it immediately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat torque specification should I use?\u003c\/summary\u003e\n  \u003cp\u003eAlways refer to your Yamaha outboard service manual for the exact torque value for your model year. Typical specifications range between 50–70 ft-lbs, but verify before installation to avoid damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install this without removing the lower unit?\u003c\/summary\u003e\n  \u003cp\u003eNo. Accessing the propeller shaft bearing housing spanner nut requires full lower unit disassembly. Attempting shortcuts can result in incomplete installation or damage to seals and bearings.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit earlier or later Yamaha models?\u003c\/summary\u003e\n  \u003cp\u003eThis nut is designed specifically for 150–225HP models using OEM part numbers 6G5-45384-00, 6G5-45384-01, or 6G5-45384-02. Cross-check your parts diagram or original part number before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat tools are required for installation?\u003c\/summary\u003e\n  \u003cp\u003eYou will need a spanner wrench compatible with the nut's profile, a torque wrench, and standard lower unit service tools. Consult your service manual for the exact spanner size.\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":51025815044411,"sku":"24RN070","price":30.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_c6bfd887-f4f4-467d-92df-72b728611c7a.jpg?v=1772959642","url":"https:\/\/seasierra.com\/products\/propeller-shaft-bearing-housing-spanner-nut-fits-yamaha-150hp-175hp-200hp-225hp-replaces-6g5-45384-00-6g5-45384-01-6g5-45384-02","provider":"SeaSierra","version":"1.0","type":"link"}