{"product_id":"west-568","title":"Zinc Engine Anode E4 1\/2\" UNC CMT-EZ4","description":"\u003cp data-start=\"68\" data-end=\"355\"\u003eThe CMT-EZ4 is a \u003cstrong data-start=\"85\" data-end=\"138\"\u003ezinc engine anode (E4 style) with 1\/2\" UNC thread\u003c\/strong\u003e, designed to protect internal engine cooling systems from galvanic corrosion. Installed in the engine block or heat exchanger, it acts as a sacrificial element—corroding first to protect critical internal components.\u003c\/p\u003e\n\u003cp data-start=\"357\" data-end=\"594\"\u003eThis larger E4-style anode provides \u003cstrong data-start=\"393\" data-end=\"443\"\u003eincreased surface area and longer service life\u003c\/strong\u003e compared to smaller pencil anodes, making it ideal for engines requiring higher corrosion protection capacity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"596\" data-end=\"599\"\u003e\n\u003ch3 data-start=\"601\" data-end=\"617\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"618\" data-end=\"918\"\u003e\n\u003cli data-start=\"618\" data-end=\"647\"\u003e\u003cstrong data-start=\"620\" data-end=\"645\"\u003eE4 style engine anode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"648\" data-end=\"685\"\u003e\u003cstrong data-start=\"650\" data-end=\"683\"\u003e1\/2\" UNC threaded pencil zinc\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"686\" data-end=\"732\"\u003eMarine-grade high-purity zinc construction\u003c\/li\u003e\n\u003cli data-start=\"733\" data-end=\"782\"\u003eIncreased length for extended protection life\u003c\/li\u003e\n\u003cli data-start=\"783\" data-end=\"826\"\u003eDesigned for \u003cstrong data-start=\"798\" data-end=\"824\"\u003esaltwater applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"827\" data-end=\"918\"\u003eAvailable as anode-only or complete plug assembly \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"920\" data-end=\"923\"\u003e\n\u003ch3 data-start=\"925\" data-end=\"956\"\u003eApplication \/ Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"957\" data-end=\"970\"\u003eDesigned for:\u003c\/p\u003e\n\u003cul data-start=\"971\" data-end=\"1053\"\u003e\n\u003cli data-start=\"971\" data-end=\"997\"\u003eInboard marine engines\u003c\/li\u003e\n\u003cli data-start=\"998\" data-end=\"1024\"\u003eHeat exchanger systems\u003c\/li\u003e\n\u003cli data-start=\"1025\" data-end=\"1053\"\u003eRaw water-cooled engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1055\" data-end=\"1067\"\u003e✔ Common on:\u003c\/p\u003e\n\u003cul data-start=\"1068\" data-end=\"1122\"\u003e\n\u003cli data-start=\"1068\" data-end=\"1083\"\u003eVolvo Penta\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1098\"\u003eMerCruiser\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1109\"\u003eYanmar\u003c\/li\u003e\n\u003cli data-start=\"1110\" data-end=\"1122\"\u003eCrusader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1124\" data-end=\"1204\"\u003e✔ Used in systems requiring \u003cstrong data-start=\"1152\" data-end=\"1178\"\u003elarger capacity anodes\u003c\/strong\u003e for extended protection\u003c\/p\u003e\n\u003chr data-start=\"1206\" data-end=\"1209\"\u003e\n\u003ch3 data-start=\"1211\" data-end=\"1245\"\u003eSerial Number \/ Fitment Notice\u003c\/h3\u003e\n\u003cp data-start=\"1246\" data-end=\"1261\"\u003eAlways confirm:\u003c\/p\u003e\n\u003cul data-start=\"1262\" data-end=\"1389\"\u003e\n\u003cli data-start=\"1262\" data-end=\"1292\"\u003eThread size (\u003cstrong data-start=\"1277\" data-end=\"1289\"\u003e1\/2\" UNC\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-start=\"1293\" data-end=\"1322\"\u003eAnode length and diameter\u003c\/li\u003e\n\u003cli data-start=\"1323\" data-end=\"1389\"\u003eWhether your setup requires \u003cstrong data-start=\"1353\" data-end=\"1389\"\u003eanode-only or full plug assembly\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1391\" data-end=\"1448\"\u003eCorrect sizing is critical for proper protection and fit.\u003c\/p\u003e\n\u003chr data-start=\"1450\" data-end=\"1453\"\u003e\n\u003ch3 data-start=\"1455\" data-end=\"1491\"\u003eWhen This Part Needs Replacement\u003c\/h3\u003e\n\u003cul data-start=\"1492\" data-end=\"1628\"\u003e\n\u003cli data-start=\"1492\" data-end=\"1529\"\u003eAnode is \u003cstrong data-start=\"1503\" data-end=\"1527\"\u003e50% or more consumed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1530\" data-end=\"1564\"\u003eHeavy scaling or deterioration\u003c\/li\u003e\n\u003cli data-start=\"1565\" data-end=\"1595\"\u003eReduced cooling efficiency\u003c\/li\u003e\n\u003cli data-start=\"1596\" data-end=\"1628\"\u003eRoutine seasonal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1630\" data-end=\"1633\"\u003e\n\u003ch3 data-start=\"1635\" data-end=\"1657\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul data-start=\"1658\" data-end=\"1867\"\u003e\n\u003cli data-start=\"1658\" data-end=\"1704\"\u003eThread into existing brass plug or housing\u003c\/li\u003e\n\u003cli data-start=\"1705\" data-end=\"1748\"\u003eEnsure clean threads and proper seating\u003c\/li\u003e\n\u003cli data-start=\"1749\" data-end=\"1771\"\u003eDo not overtighten\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1810\"\u003eInspect regularly in saltwater use\u003c\/li\u003e\n\u003cli data-start=\"1811\" data-end=\"1867\"\u003eReplace before full depletion to maintain protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1869\" data-end=\"1872\"\u003e\n\u003ch3 data-start=\"1874\" data-end=\"1913\"\u003eAlternate \/ Superseded Part Numbers\u003c\/h3\u003e\n\u003cul data-start=\"1914\" data-end=\"2102\"\u003e\n\u003cli data-start=\"1914\" data-end=\"1943\"\u003eCamp Company: \u003cstrong data-start=\"1930\" data-end=\"1941\"\u003eCMT-EZ4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1944\" data-end=\"1965\"\u003eMartyr: \u003cstrong data-start=\"1954\" data-end=\"1963\"\u003eCMEZ4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1966\" data-end=\"2044\"\u003eCommon reference: \u003cstrong data-start=\"1986\" data-end=\"2004\"\u003eE-4Z \/ CME 4 Z\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2045\" data-end=\"2102\"\u003eAlso available as complete assembly (with brass plug)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2104\" data-end=\"2107\"\u003e\n\u003ch3 data-start=\"2109\" data-end=\"2131\"\u003eParts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2132\" data-end=\"2377\"\u003eE4 anodes are used where engines need \u003cstrong data-start=\"2170\" data-end=\"2196\"\u003emore protection volume\u003c\/strong\u003e—they last longer but are just as critical to monitor. If customers are burning through these quickly, it can indicate \u003cstrong data-start=\"2315\" data-end=\"2354\"\u003ehigh electrolysis or bonding issues\u003c\/strong\u003e, not just normal wear.\u003c\/p\u003e\n\u003chr data-start=\"2379\" data-end=\"2382\"\u003e\n\u003ch3 data-start=\"2384\" data-end=\"2396\"\u003eShipping\u003c\/h3\u003e\n\u003cp data-start=\"2397\" data-end=\"2462\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564133318692,"sku":"CMT-EZ4","price":12.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/bf5413c2-38ae-4857-9667-605d81741741.png?v=1775074388","url":"https:\/\/marisolmarine.com\/products\/west-568","provider":"Marisol Marine Company","version":"1.0","type":"link"}