{"product_id":"duff-cm43994m-magnesium-button-anode-for-mercury-mercruiser-4boats","title":"Duff CM43994M Magnesium Button Anode for Mercury MerCruiser | 4Boats","description":"\u003cp\u003eMG Duff CM43994M magnesium button anode for Mercury MerCruiser applications, providing sacrificial corrosion protection optimized for freshwater use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: CM43994M\u003c\/li\u003e\n\u003cli\u003eMaterial: Magnesium — suited to freshwater environments\u003c\/li\u003e\n\u003cli\u003eFits: Mercury\/MerCruiser button-type anode locations\u003c\/li\u003e\n\u003cli\u003eProtects: sacrificial protection for lower units, gearcases and prop shafts\u003c\/li\u003e\n\u003cli\u003eInstallation: button-style replacement; fits existing retaining hardware\u003c\/li\u003e\n\u003cli\u003eSupply: single anode\u003c\/li\u003e\n\u003cli\u003eManufacturer: MG Duff\u003c\/li\u003e\n\u003cli\u003eOEM reference: Mercury 43994\u003c\/li\u003e\n\u003cli\u003eCompatibility: check your engine model and lower unit; fits many Mercury\/MerCruiser models — see \u003ca href=\"\/collections\/mercury-mercruiser-parts\"\u003eMercury\/MerCruiser anodes collection\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions \u0026amp; fastener: verify OEM button diameter, thickness and retaining fastener size before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for brackish or saltwater use:\u003c\/strong\u003e magnesium anodes are intended for freshwater only; use zinc or aluminum alternatives in brackish\/saltwater\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck compatibility with your engine model and lower unit diagram before ordering to ensure correct fit.\u003c\/p\u003e","brand":"4Boats","offers":[{"title":"Default Title","offer_id":56755504152950,"sku":"CM43994M","price":38.4,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8140\/9004\/files\/64de9063d4dc14.22624512.jpg?v=1764337977","url":"https:\/\/www.leighnumberplates.com\/products\/duff-cm43994m-magnesium-button-anode-for-mercury-mercruiser-4boats","provider":"Leigh Number Plates","version":"1.0","type":"link"}