{"product_id":"mercury-quicksilver-gear-lube-858058kc1","title":"Mercury Quicksilver High Performance Gear Lube – 858058KC1","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:cd752dab-2ca2-48b9-a8be-3a6513ba9f84-119\" data-testid=\"conversation-turn-18\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ca7138da-460b-4f0c-b663-465ce7b43ce5\" dir=\"auto\" data-message-model-slug=\"gpt-5-4-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"80\" data-end=\"577\"\u003eMercury Quicksilver High Performance Gear Lube 858058KC1 is a marine gearcase lubricant formulated for \u003cstrong data-start=\"209\" data-end=\"248\"\u003eoutboard and sterndrive lower units\u003c\/strong\u003e. This high-performance \u003cstrong data-start=\"272\" data-end=\"282\"\u003eSAE 90\u003c\/strong\u003e gear lube is designed to help protect gears and bearings against \u003cstrong data-start=\"348\" data-end=\"403\"\u003ewear, corrosion, and the effects of water intrusion\u003c\/strong\u003e in marine gear housings. It is commonly specified for \u003cstrong data-start=\"458\" data-end=\"524\"\u003ehigher-horsepower outboards and Mercury MerCruiser sterndrives\u003c\/strong\u003e where a high-performance gear lubricant is required.\u003c\/p\u003e\n\u003cp data-start=\"579\" data-end=\"597\"\u003e\u003cstrong data-start=\"579\" data-end=\"595\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"598\" data-end=\"983\"\u003e\n\u003cli data-start=\"598\" data-end=\"655\"\u003eGenuine \u003cstrong data-start=\"608\" data-end=\"631\"\u003eMercury Quicksilver\u003c\/strong\u003e marine gear lubricant\u003c\/li\u003e\n\u003cli data-start=\"656\" data-end=\"716\"\u003e\n\u003cstrong data-start=\"658\" data-end=\"685\"\u003eHigh Performance SAE 90\u003c\/strong\u003e formula for marine gearcases\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"773\"\u003eDesigned for \u003cstrong data-start=\"732\" data-end=\"771\"\u003eoutboard and sterndrive lower units\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"774\" data-end=\"827\"\u003eHelps protect against \u003cstrong data-start=\"798\" data-end=\"825\"\u003egear wear and corrosion\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"912\"\u003eFormulated to help protect components in the presence of \u003cstrong data-start=\"887\" data-end=\"910\"\u003ewater contamination\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"913\" data-end=\"983\"\u003eCommonly used where \u003cstrong data-start=\"935\" data-end=\"971\"\u003ehigh-load marine gear protection\u003c\/strong\u003e is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"985\" data-end=\"1374\"\u003e\u003cstrong data-start=\"985\" data-end=\"1009\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1009\" data-end=\"1012\"\u003eThis lubricant is generally used in \u003cstrong data-start=\"1048\" data-end=\"1088\"\u003eoutboard lower units and sterndrives\u003c\/strong\u003e that call for \u003cstrong data-start=\"1103\" data-end=\"1160\"\u003eMercury\/Quicksilver High Performance Gear Lube SAE 90\u003c\/strong\u003e. It is commonly associated with \u003cstrong data-start=\"1193\" data-end=\"1224\"\u003ehigher-horsepower outboards\u003c\/strong\u003e and \u003cstrong data-start=\"1229\" data-end=\"1275\"\u003eMercury MerCruiser sterndrive applications\u003c\/strong\u003e. Always confirm the required lubricant against the engine or drive owner’s manual before ordering.\u003c\/p\u003e\n\u003cp data-start=\"1376\" data-end=\"1664\"\u003e\u003cstrong data-start=\"1376\" data-end=\"1408\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-start=\"1408\" data-end=\"1411\"\u003eLubricant fitment should always be confirmed by \u003cstrong data-start=\"1459\" data-end=\"1507\"\u003eengine model, drive model, and serial number\u003c\/strong\u003e. Mercury and MerCruiser applications can vary by gearcase design and service requirements, so the correct fluid specification should be verified before use.\u003c\/p\u003e\n\u003cp data-start=\"1666\" data-end=\"1949\"\u003e\u003cstrong data-start=\"1666\" data-end=\"1702\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-start=\"1702\" data-end=\"1705\"\u003eReplace gear lube during scheduled maintenance, seasonal service, or whenever the gearcase has been opened or drained. It should also be changed if the lubricant shows signs of \u003cstrong data-start=\"1882\" data-end=\"1948\"\u003ewater contamination, metal debris, discoloration, or breakdown\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1951\" data-end=\"2258\"\u003e\u003cstrong data-start=\"1951\" data-end=\"1973\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-start=\"1973\" data-end=\"1976\"\u003eDrain the old gear lube fully and refill the gearcase using the manufacturer’s recommended procedure. Always verify the correct lubricant specification for the exact application before servicing. New drain and vent screw seals should be used where required during gear lube service.\u003c\/p\u003e\n\u003cp data-start=\"2260\" data-end=\"2301\"\u003e\u003cstrong data-start=\"2260\" data-end=\"2299\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2302\" data-end=\"2350\"\u003e\n\u003cli data-start=\"2302\" data-end=\"2316\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2314\"\u003e858058\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2317\" data-end=\"2332\"\u003e\u003cstrong data-start=\"2319\" data-end=\"2330\"\u003e858058K\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2333\" data-end=\"2350\"\u003e\u003cstrong data-start=\"2335\" data-end=\"2348\"\u003e858058KC1\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2352\" data-end=\"2711\"\u003e\u003cstrong data-start=\"2352\" data-end=\"2374\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"2374\" data-end=\"2377\"\u003eFor Mercury and MerCruiser drives, using the correct \u003cstrong data-start=\"2430\" data-end=\"2448\"\u003egear lube type\u003c\/strong\u003e matters just as much as changing it on time. High Performance Gear Lube is typically chosen for applications that see \u003cstrong data-start=\"2567\" data-end=\"2629\"\u003eheavier loads, higher operating demands, or sterndrive use\u003c\/strong\u003e, where extra protection against wear and water intrusion is especially important.\u003c\/p\u003e\n\u003cp data-start=\"2713\" data-end=\"2778\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885723684,"sku":"858058KC1","price":26.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/7d30a504-85ae-4e4c-9d03-5f42b20a3362.png?v=1775538931","url":"https:\/\/marisolmarine.com\/products\/mercury-quicksilver-gear-lube-858058kc1","provider":"Marisol Marine Company","version":"1.0","type":"link"}