{"product_id":"west-521","title":"Mercury Alpha One Zinc Anode CMT-821631Z","description":"\u003cp data-start=\"115\" data-end=\"387\"\u003eThe CMT-821631Z is a \u003cstrong data-start=\"136\" data-end=\"206\"\u003ezinc gimbal\/block anode designed for Mercury Alpha One sterndrives\u003c\/strong\u003e, protecting the \u003cstrong data-start=\"223\" data-end=\"290\"\u003egimbal housing, transom plate, and surrounding drive components\u003c\/strong\u003e from galvanic corrosion. It is a direct replacement for OEM Mercury\/Quicksilver part \u003cstrong data-start=\"376\" data-end=\"386\"\u003e821631\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"389\" data-end=\"609\"\u003eManufactured from marine-grade zinc alloy, this anode is intended for \u003cstrong data-start=\"459\" data-end=\"485\"\u003esaltwater applications\u003c\/strong\u003e, where it sacrifices itself to protect more valuable aluminum and steel components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"611\" data-end=\"614\"\u003e\n\u003ch3 data-start=\"616\" data-end=\"634\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"635\" data-end=\"917\"\u003e\n\u003cli data-start=\"635\" data-end=\"691\"\u003eDirect replacement for \u003cstrong data-start=\"660\" data-end=\"689\"\u003eMercury 821631 \/ 821631Q1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"692\" data-end=\"739\"\u003eMarine-grade \u003cstrong data-start=\"707\" data-end=\"737\"\u003ezinc (saltwater optimized)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"778\"\u003eBlock-style \/ gimbal housing anode\u003c\/li\u003e\n\u003cli data-start=\"779\" data-end=\"834\"\u003eProtects transom and sterndrive mounting components\u003c\/li\u003e\n\u003cli data-start=\"835\" data-end=\"917\"\u003eCast to \u003cstrong data-start=\"845\" data-end=\"877\"\u003eMIL-spec corrosion standards\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"919\" data-end=\"922\"\u003e\n\u003ch3 data-start=\"924\" data-end=\"958\"\u003eEngine \/ Drive Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"959\" data-end=\"972\"\u003eDesigned for:\u003c\/p\u003e\n\u003cul data-start=\"973\" data-end=\"1168\"\u003e\n\u003cli data-start=\"973\" data-end=\"1023\"\u003e\u003cstrong data-start=\"975\" data-end=\"1021\"\u003eMercury \/ MerCruiser Alpha One sterndrives\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1024\" data-end=\"1168\"\u003eCompatible with:\n\u003cul data-start=\"1045\" data-end=\"1168\"\u003e\n\u003cli data-start=\"1045\" data-end=\"1064\"\u003eAlpha One Gen I\u003c\/li\u003e\n\u003cli data-start=\"1067\" data-end=\"1087\"\u003eAlpha One Gen II\u003c\/li\u003e\n\u003cli data-start=\"1090\" data-end=\"1168\"\u003eSome Bravo applications (gimbal use) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1170\" data-end=\"1185\"\u003e✔ Installed on:\u003c\/p\u003e\n\u003cul data-start=\"1186\" data-end=\"1220\"\u003e\n\u003cli data-start=\"1186\" data-end=\"1220\"\u003eGimbal housing \/ transom plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1222\" data-end=\"1233\"\u003e✔ Protects:\u003c\/p\u003e\n\u003cul data-start=\"1234\" data-end=\"1309\"\u003e\n\u003cli data-start=\"1234\" data-end=\"1261\"\u003eGimbal ring and housing\u003c\/li\u003e\n\u003cli data-start=\"1262\" data-end=\"1282\"\u003eTransom assembly\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1309\"\u003eAdjacent bonded metals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1311\" data-end=\"1314\"\u003e\n\u003ch3 data-start=\"1316\" data-end=\"1350\"\u003eSerial Number Fitment Notice\u003c\/h3\u003e\n\u003cp data-start=\"1351\" data-end=\"1366\"\u003eAlways confirm:\u003c\/p\u003e\n\u003cul data-start=\"1367\" data-end=\"1480\"\u003e\n\u003cli data-start=\"1367\" data-end=\"1397\"\u003eOEM reference (\u003cstrong data-start=\"1384\" data-end=\"1394\"\u003e821631\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-start=\"1398\" data-end=\"1436\"\u003eDrive generation (Gen I vs Gen II)\u003c\/li\u003e\n\u003cli data-start=\"1437\" data-end=\"1480\"\u003eMounting hole spacing and casting shape\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1482\" data-end=\"1485\"\u003e\n\u003ch3 data-start=\"1487\" data-end=\"1525\"\u003eWhen This Part Needs Replacement\u003c\/h3\u003e\n\u003cul data-start=\"1526\" data-end=\"1659\"\u003e\n\u003cli data-start=\"1526\" data-end=\"1563\"\u003eAnode is \u003cstrong data-start=\"1537\" data-end=\"1561\"\u003e50% or more consumed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1564\" data-end=\"1590\"\u003eUneven wear or pitting\u003c\/li\u003e\n\u003cli data-start=\"1591\" data-end=\"1630\"\u003eVisible corrosion on gimbal housing\u003c\/li\u003e\n\u003cli data-start=\"1631\" data-end=\"1659\"\u003eRoutine seasonal service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1661\" data-end=\"1664\"\u003e\n\u003ch3 data-start=\"1666\" data-end=\"1690\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul data-start=\"1691\" data-end=\"1885\"\u003e\n\u003cli data-start=\"1691\" data-end=\"1735\"\u003eInstall on \u003cstrong data-start=\"1704\" data-end=\"1733\"\u003eclean, bare metal surface\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1736\" data-end=\"1781\"\u003eEnsure full contact with mounting surface\u003c\/li\u003e\n\u003cli data-start=\"1782\" data-end=\"1808\"\u003eDo not paint the anode\u003c\/li\u003e\n\u003cli data-start=\"1809\" data-end=\"1850\"\u003eReplace mounting hardware if corroded\u003c\/li\u003e\n\u003cli data-start=\"1851\" data-end=\"1885\"\u003eInspect regularly in saltwater\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1887\" data-end=\"1890\"\u003e\n\u003ch3 data-start=\"1892\" data-end=\"1933\"\u003eAlternate \/ Superseded Part Numbers\u003c\/h3\u003e\n\u003cul data-start=\"1934\" data-end=\"2161\"\u003e\n\u003cli data-start=\"1934\" data-end=\"2031\"\u003eMercury \/ Quicksilver: \u003cstrong data-start=\"1959\" data-end=\"1991\"\u003e821631 \/ 821631Q1 \/ 821631B1\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2032\" data-end=\"2065\"\u003eCamp Company: \u003cstrong data-start=\"2048\" data-end=\"2063\"\u003eCMT-821631Z\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2066\" data-end=\"2091\"\u003eMartyr: \u003cstrong data-start=\"2076\" data-end=\"2089\"\u003eCM821631Z\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2092\" data-end=\"2129\"\u003eAluminum version: \u003cstrong data-start=\"2112\" data-end=\"2127\"\u003eCMT-821631A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2130\" data-end=\"2161\"\u003eMagnesium version available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2163\" data-end=\"2166\"\u003e\n\u003ch3 data-start=\"2168\" data-end=\"2192\"\u003eParts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2193\" data-end=\"2402\"\u003eThis is one of the \u003cstrong data-start=\"2212\" data-end=\"2262\"\u003emost important single anodes on an Alpha drive\u003c\/strong\u003e. If it’s gone, corrosion targets the \u003cstrong data-start=\"2300\" data-end=\"2324\"\u003egimbal housing first\u003c\/strong\u003e, which is a high-cost repair—so it’s one you never want to let fully deplete.\u003c\/p\u003e\n\u003chr data-start=\"2404\" data-end=\"2407\"\u003e\n\u003ch3 data-start=\"2409\" data-end=\"2423\"\u003eShipping\u003c\/h3\u003e\n\u003cp data-start=\"2424\" data-end=\"2489\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564130271268,"sku":"CMT-821631Z","price":44.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/CMT821631A-Z.jpg?v=1775082192","url":"https:\/\/marisolmarine.com\/products\/west-521","provider":"Marisol Marine Company","version":"1.0","type":"link"}