{"product_id":"merc-294","title":"Mercury MerCruiser Quicksilver Sterndrive Transom Seal 455771","description":"\u003cp\u003eMercury MerCruiser Quicksilver 455771 is a genuine OEM \u003cstrong\u003eseal\u003c\/strong\u003e used in select MerCruiser sterndrive and transom assembly service applications. The full Mercury part reference is commonly listed as \u003cstrong\u003e26-455771\u003c\/strong\u003e, with current Mercury references showing it replaced by \u003cstrong\u003e8M0204680\u003c\/strong\u003e. This seal is used in drive-related sealing locations where the correct OEM seal profile is required to help prevent water intrusion, oil leakage, or pressure loss in the serviced assembly.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM seal.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e455771 \/ 26-455771\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent replacement part number: \u003cstrong\u003e8M0204680\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCommonly identified as a MerCruiser lower-unit \/ drive seal.\u003c\/li\u003e\n\u003cli\u003eUsed in select MerCruiser sterndrive and transom assembly applications.\u003c\/li\u003e\n\u003cli\u003eCommon dimensional references list approximately \u003cstrong\u003e0.3125\" shaft \/ inner diameter\u003c\/strong\u003e and \u003cstrong\u003e0.4375\" outer diameter\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSmall sealing component that should be matched by exact parts diagram, not by visual size alone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-only part\u003c\/strong\u003e. The strongest supportable fitment is by \u003cstrong\u003eMerCruiser drive model, transom assembly, and serial-number-based parts diagram\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCommonly associated applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eR \/ MR \/ Alpha One sterndrives\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAlpha One Gen II sterndrives\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBravo One\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBravo Two\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBravo Three\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBravo X \/ XR \/ XZ drive families\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eMerCruiser transom assemblies\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eVazer drive and transom\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause this seal appears across multiple MerCruiser drive families and service diagrams, the exact installation location should be confirmed before ordering.\u003c\/p\u003e\n\u003ch2\u003eSerial Number Fitment Notice\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by exact \u003cstrong\u003edrive or transom serial number\u003c\/strong\u003e and the correct Mercury MerCruiser parts diagram. This seal is used across several sterndrive families, and similar seals can appear in nearby drive, lower-unit, water-pump, or transom service areas.\u003c\/p\u003e\n\u003ch2\u003eWhen This Part Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eReplace this seal when the original is worn, flattened, cut, hardened, missing, or removed during drive service. It should also be replaced any time the serviced assembly is opened and the old seal can no longer provide a reliable sealing surface.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eInstall 455771 or its current replacement \u003cstrong\u003e8M0204680\u003c\/strong\u003e only after confirming the correct diagram callout. Clean the mating surfaces, inspect the surrounding hardware for corrosion or pitting, and make sure the seal is seated correctly during reassembly. Because this is a small drive seal, improper matching or installation can lead to leaks and repeat service.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eCurrent replacement part number: \u003cstrong\u003e8M0204680\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRelated numbers commonly associated with this seal family include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e26-455771\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e455771\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e45577\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e26-45577\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e45577B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e45577B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e26-45577B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSierra 18-2944\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eThe easy mistake with this seal is ordering by size or appearance alone. On MerCruiser drives, small seals can look very similar, so matching the exact drive serial number and diagram callout is the safest way to avoid a leak after reassembly.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563860000804,"sku":"455771","price":5.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/7030c791-e426-49b9-976b-02a882dbaab5.png?v=1777414780","url":"https:\/\/marisolmarine.com\/products\/merc-294","provider":"Marisol Marine Company","version":"1.0","type":"link"}