{"product_id":"merc-443","title":"Mercury Outboard Transom Bracket Screw 500-20 x 4.500 677551","description":"\u003cp\u003eMercury 677551 is a genuine OEM \u003cstrong\u003etransom bracket screw\u003c\/strong\u003e sized \u003cstrong\u003e.500-20 x 4.500\u003c\/strong\u003e. Current Mercury dealer references show \u003cstrong\u003e677551\u003c\/strong\u003e superseded to \u003cstrong\u003e8M0149747\u003c\/strong\u003e, and current OEM parts diagrams place it in the \u003cstrong\u003etransom bracket\u003c\/strong\u003e assembly as the screw that secures the bracket to the transom.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine OEM part number \u003cstrong\u003e677551\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent replacement part number is \u003cstrong\u003e8M0149747\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSize: \u003cstrong\u003e.500-20 x 4.500\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUsed as the \u003cstrong\u003etransom bracket to transom\u003c\/strong\u003e screw in current Mercury parts diagrams.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer listing shows \u003cstrong\u003eGTIN 745061169845\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent shipping specs are approximately \u003cstrong\u003e0.25 lb\u003c\/strong\u003e, \u003cstrong\u003e4.78 in. x 1.00 in. x 1.00 in.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot a MerCruiser engine part\u003c\/strong\u003e. The strongest supportable fitment for 677551 is \u003cstrong\u003eMercury and Mariner outboard transom bracket\u003c\/strong\u003e service. Current Mercury parts references show it in \u003cstrong\u003etransom bracket\u003c\/strong\u003e diagrams for a wide range of outboards, including \u003cstrong\u003e150 HP\u003c\/strong\u003e, \u003cstrong\u003e225 HP EFI\u003c\/strong\u003e, \u003cstrong\u003e250 HP\u003c\/strong\u003e, \u003cstrong\u003e275 HP\u003c\/strong\u003e, and \u003cstrong\u003e300 HP\u003c\/strong\u003e applications, along with many other Mercury\/Mariner outboard families in dealer where-used records.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by exact \u003cstrong\u003eoutboard serial number\u003c\/strong\u003e and the correct \u003cstrong\u003etransom bracket\u003c\/strong\u003e parts diagram before ordering. Because 677551 appears across many Mercury and Mariner outboard families, serial-based confirmation is the safest way to match the correct transom-mount hardware.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this screw when the original is corroded, bent, damaged, stretched, or removed during transom bracket service and no longer suitable for reuse. Since current OEM diagrams place it in the transom bracket mounting stack, correct size and condition matter for secure bracket-to-transom fastening. This is a practical service inference supported by its documented mounting role.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall this part only after confirming the correct Mercury or Mariner \u003cstrong\u003etransom bracket\u003c\/strong\u003e diagram for the outboard being serviced. Current diagrams show it used with related hardware such as \u003cstrong\u003ewasher 28421\u003c\/strong\u003e and \u003cstrong\u003enut 82671117\u003c\/strong\u003e in the same bracket-to-transom fastening stack.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent sources show \u003cstrong\u003e8M0149747\u003c\/strong\u003e as the replacement for \u003cstrong\u003e677551\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith transom bracket hardware, the important match is the \u003cstrong\u003eexact bracket diagram and screw length\u003c\/strong\u003e. A quick serial-number lookup usually prevents mixing up this \u003cstrong\u003e4-1\/2 inch\u003c\/strong\u003e screw with the nearby longer transom bracket fasteners in the same assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563869012004,"sku":"677551","price":21.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/4d1d0845-cfae-4763-8d8f-c1f49620ca40.png?v=1777053082","url":"https:\/\/marisolmarine.com\/products\/merc-443","provider":"Marisol Marine Company","version":"1.0","type":"link"}