{"product_id":"martyr-zinc-block-anode-mercury-outboard-cmt-43994z","title":"Martyr Zinc Block Anode Mercury CMT-43994Z","description":"\u003cp data-end=\"537\" data-start=\"77\"\u003eThe Martyr CMT-43994Z is a zinc block-style sacrificial anode for select Mercury and MerCruiser applications. Current listings commonly identify it as \u003cstrong data-end=\"266\" data-start=\"254\"\u003eCM43994Z\u003c\/strong\u003e, a Mercury replacement-style block anode associated with \u003cstrong data-end=\"356\" data-start=\"324\"\u003eMercury part 43994 \/ 43994A1\u003c\/strong\u003e references. It is designed to help protect exposed drive or bracket-related metal components from galvanic corrosion in \u003cstrong data-end=\"490\" data-start=\"477\"\u003esaltwater\u003c\/strong\u003e service. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"812\" data-start=\"539\"\u003eThis is a \u003cstrong data-end=\"557\" data-start=\"549\"\u003ezinc\u003c\/strong\u003e anode, which makes it the correct material choice for \u003cstrong data-end=\"629\" data-start=\"612\"\u003esaltwater use\u003c\/strong\u003e. Published dimensions across current listings are consistently about \u003cstrong data-end=\"730\" data-start=\"699\"\u003e4.0 in. x 3.1 in. x 1.5 in.\u003c\/strong\u003e (approximately \u003cstrong data-end=\"772\" data-start=\"746\"\u003e101.6 x 78.7 x 38.1 mm\u003c\/strong\u003e). \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"832\" data-start=\"814\"\u003e\u003cstrong data-end=\"830\" data-start=\"814\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1180\" data-start=\"833\"\u003e\n\u003cli data-end=\"865\" data-start=\"833\"\u003eZinc sacrificial block anode\u003c\/li\u003e\n\u003cli data-end=\"900\" data-start=\"866\"\u003eMartyr reference: \u003cstrong data-end=\"898\" data-start=\"886\"\u003eCM43994Z\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"950\" data-start=\"901\"\u003eCommon Mercury reference: \u003cstrong data-end=\"948\" data-start=\"929\"\u003e43994 \/ 43994A1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1002\" data-start=\"951\"\u003eDesigned for \u003cstrong data-end=\"979\" data-start=\"966\"\u003esaltwater\u003c\/strong\u003e corrosion protection\u003c\/li\u003e\n\u003cli data-end=\"1058\" data-start=\"1003\"\u003eApprox. dimensions: \u003cstrong data-end=\"1056\" data-start=\"1025\"\u003e4.0 in. x 3.1 in. x 1.5 in.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1180\" data-start=\"1059\"\u003eBlock \/ wedge-style anode format used on select Mercury \/ MerCruiser applications \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1606\" data-start=\"1182\"\u003e\u003cstrong data-end=\"1206\" data-start=\"1182\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-end=\"1209\" data-start=\"1206\"\u003eCurrent fitment references most strongly associate this anode with \u003cstrong data-end=\"1324\" data-start=\"1276\"\u003eMercury \/ MerCruiser sterndrive applications\u003c\/strong\u003e, including \u003cstrong data-end=\"1352\" data-start=\"1336\"\u003eAlpha Gen II\u003c\/strong\u003e and some \u003cstrong data-end=\"1371\" data-start=\"1362\"\u003eBravo\u003c\/strong\u003e references, rather than a broad modern outboard fitment listing. Because seller titles can vary, the safest match is by \u003cstrong data-end=\"1536\" data-start=\"1492\"\u003eOEM part number and existing anode shape\u003c\/strong\u003e instead of title wording alone. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"2094\" data-start=\"1608\"\u003e\u003cstrong data-end=\"1640\" data-start=\"1608\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-end=\"1643\" data-start=\"1640\"\u003ePlease verify fitment using your \u003cstrong data-end=\"1715\" data-start=\"1676\"\u003eMercury or MerCruiser serial number\u003c\/strong\u003e and compare the installed anode shape and mounting pattern before ordering. This is especially important because current listings tie this part more clearly to sterndrive and gimbal\/block applications, and product naming can sometimes blur outboard versus sterndrive usage. Matching by \u003cstrong data-end=\"2032\" data-start=\"2002\"\u003e43994 \/ 43994A1 \/ CM43994Z\u003c\/strong\u003e is the safest approach. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"2434\" data-start=\"2096\"\u003e\u003cstrong data-end=\"2132\" data-start=\"2096\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-end=\"2135\" data-start=\"2132\"\u003eReplace this anode when it is heavily wasted, pitted, cracked, loose, or significantly reduced in size. Mercury’s current anode maintenance guidance says anodes provide less protection as they dissolve and should be changed when they are about \u003cstrong data-end=\"2395\" data-start=\"2379\"\u003e50% consumed\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"2830\" data-start=\"2436\"\u003e\u003cstrong data-end=\"2458\" data-start=\"2436\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-end=\"2461\" data-start=\"2458\"\u003eInstall the anode on a clean bare-metal contact surface and do not paint it. Confirm the hole spacing and mounting pattern against your existing part before installation. Current listings show this as a multi-hole block anode, but exact hole-count descriptions vary by seller, so physical comparison before ordering is recommended. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"2873\" data-start=\"2832\"\u003e\u003cstrong data-end=\"2871\" data-start=\"2832\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2956\" data-start=\"2874\"\u003e\n\u003cli data-end=\"2890\" data-start=\"2874\"\u003e\u003cstrong data-end=\"2888\" data-start=\"2876\"\u003eCM43994Z\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2904\" data-start=\"2891\"\u003e\u003cstrong data-end=\"2902\" data-start=\"2893\"\u003e43994\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2956\" data-start=\"2905\"\u003e\n\u003cstrong data-end=\"2918\" data-start=\"2907\"\u003e43994A1\u003c\/strong\u003e \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3415\" data-start=\"2958\"\u003e\u003cstrong data-end=\"2980\" data-start=\"2958\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-end=\"2983\" data-start=\"2980\"\u003eThis is the kind of part that is easy to ignore because it is just a simple cast block, but it is protecting much more expensive metal around it. One interesting detail is that current listings repeatedly place this anode in the \u003cstrong data-end=\"3244\" data-start=\"3212\"\u003egimbal plate \/ block \/ wedge\u003c\/strong\u003e category, which is a good clue that matching by shape and mounting pattern matters more than relying on a short product title alone. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"3497\" data-start=\"3417\"\u003e\u003cstrong data-end=\"3429\" data-start=\"3417\"\u003eShipping\u003c\/strong\u003e\u003cbr data-end=\"3432\" data-start=\"3429\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564129091620,"sku":"CMT-43994Z","price":41.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/3a268018-67aa-448e-93fa-2cf93e9d7dae.a1318d6cffd70b9da6326083f461d4a9.webp?v=1775245411","url":"https:\/\/marisolmarine.com\/products\/martyr-zinc-block-anode-mercury-outboard-cmt-43994z","provider":"Marisol Marine Company","version":"1.0","type":"link"}