{"product_id":"mercury-propeller-nut-anode-kit-magnesium-fits-bravo-iii-drives-97-809666a03","title":"Mercury – Quicksilver 809666A03 Aluminum Prop Nut Anode | MerCruiser Bravo Three Drives | Corrosion Protection | 809666A03","description":"\u003cp data-start=\"0\" data-end=\"128\"\u003e\u003cstrong data-start=\"0\" data-end=\"126\"\u003eMercury – Quicksilver 809666A03 Aluminum Prop Nut Anode | MerCruiser Bravo Three Drives | Corrosion Protection | 809666A03\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"130\" data-end=\"133\"\u003e\n\u003ch3 data-start=\"135\" data-end=\"153\"\u003e\u003cstrong data-start=\"139\" data-end=\"151\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"154\" data-end=\"583\"\u003eCorrosion doesn’t make noise, but over time it can do real damage below the surface. The \u003cstrong data-start=\"243\" data-end=\"292\"\u003eQuicksilver 809666A03 Aluminum Prop Nut Anode\u003c\/strong\u003e is built to stop that silent wear before it starts. Designed for \u003cstrong data-start=\"358\" data-end=\"423\"\u003eMerCruiser Bravo Three drives (serial No. 0M179451 and below)\u003c\/strong\u003e, this anode protects your propeller shaft and gearcase from galvanic corrosion — the kind that slowly eats away at metal parts when your boat’s in the water.\u003c\/p\u003e\n\u003cp data-start=\"585\" data-end=\"776\"\u003eIt’s one of those simple parts that does a big job. Easy to install, easy to check, and made from marine-grade material that’s built to sacrifice itself before your expensive components do.\u003c\/p\u003e\n\u003chr data-start=\"778\" data-end=\"781\"\u003e\n\u003ch3 data-start=\"783\" data-end=\"805\"\u003e\u003cstrong data-start=\"787\" data-end=\"803\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"808\" data-end=\"911\"\u003e\n\u003cstrong data-start=\"808\" data-end=\"820\"\u003ePurpose:\u003c\/strong\u003e Shields the prop shaft and lower unit of your Bravo Three drive from galvanic corrosion.\u003c\/li\u003e\n\u003cli data-start=\"914\" data-end=\"1008\"\u003e\n\u003cstrong data-start=\"914\" data-end=\"926\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"940\" data-end=\"1005\"\u003eMerCruiser Bravo Three drives (serial No. 0M179451 and below)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1118\"\u003e\n\u003cstrong data-start=\"1011\" data-end=\"1028\"\u003eConstruction:\u003c\/strong\u003e High-quality \u003cstrong data-start=\"1042\" data-end=\"1060\"\u003ealuminum anode\u003c\/strong\u003e for strong protection in both freshwater and saltwater.\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1224\"\u003e\n\u003cstrong data-start=\"1121\" data-end=\"1138\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1148\" data-end=\"1181\"\u003eprop nut, anode, and fastener\u003c\/strong\u003e for quick, straightforward installation.\u003c\/li\u003e\n\u003cli data-start=\"1227\" data-end=\"1332\"\u003e\n\u003cstrong data-start=\"1227\" data-end=\"1245\"\u003eDesign Detail:\u003c\/strong\u003e Meets Mercury Marine OEM standards for fit, conductivity, and long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1334\" data-end=\"1337\"\u003e\n\u003ch3 data-start=\"1339\" data-end=\"1376\"\u003e\u003cstrong data-start=\"1343\" data-end=\"1374\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1379\" data-end=\"1447\"\u003eMerCruiser Bravo Three sterndrives (serial No. 0M179451 and below)\u003c\/li\u003e\n\u003cli data-start=\"1450\" data-end=\"1525\"\u003eCommon on twin-prop inboard\/outboard cruisers, sport boats, and runabouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1527\" data-end=\"1530\"\u003e\n\u003ch3 data-start=\"1532\" data-end=\"1574\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1572\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1575\" data-end=\"1865\"\u003eThe \u003cstrong data-start=\"1579\" data-end=\"1592\"\u003e809666A03\u003c\/strong\u003e anode takes the hit so your drive doesn’t. By absorbing the electrolysis that happens naturally in water, it protects your gearcase, prop nut, and propeller from corrosion. This anode kit installs quickly — just swap it in place of the old one using standard hand tools.\u003c\/p\u003e\n\u003cp data-start=\"1867\" data-end=\"2202\"\u003eBecause it’s \u003cstrong data-start=\"1880\" data-end=\"1892\"\u003ealuminum\u003c\/strong\u003e, it lasts longer than zinc in both fresh and saltwater, offering balanced protection without forming hard oxides that block conductivity. Whether your boat stays in the water full-time or only during the season, this anode helps prevent costly repairs and keeps your Bravo Three running clean and efficient.\u003c\/p\u003e\n\u003chr data-start=\"2204\" data-end=\"2207\"\u003e\n\u003ch3 data-start=\"2209\" data-end=\"2230\"\u003e\u003cstrong data-start=\"2213\" data-end=\"2228\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2231\" data-end=\"2577\"\u003eWhen it comes to corrosion protection, the alloy composition matters. Mercury’s OEM anodes are precisely formulated to provide the right level of electrical activity, ensuring predictable erosion and full-system coverage. Aftermarket options can look similar but may use mixed or impure metals that corrode unevenly — leaving key areas exposed.\u003c\/p\u003e\n\u003cp data-start=\"2579\" data-end=\"2803\"\u003eAn OEM Quicksilver anode is tested, certified, and proven in real-world marine environments. It’s engineered to erode at the correct rate, protecting the parts that matter most — your drive, your prop, and your investment.\u003c\/p\u003e\n\u003chr data-start=\"2805\" data-end=\"2808\"\u003e\n\u003ch3 data-start=\"2810\" data-end=\"2823\"\u003e\u003cstrong data-start=\"2814\" data-end=\"2821\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2824\" data-end=\"2969\"\u003e\u003cstrong data-start=\"2824\" data-end=\"2880\"\u003eQ1: Which drives does the Quicksilver 809666A03 fit?\u003c\/strong\u003e\u003cbr data-start=\"2880\" data-end=\"2883\"\u003eA: It’s built for \u003cstrong data-start=\"2901\" data-end=\"2966\"\u003eMerCruiser Bravo Three drives (serial No. 0M179451 and below)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2971\" data-end=\"3098\"\u003e\u003cstrong data-start=\"2971\" data-end=\"3010\"\u003eQ2: What’s included in the package?\u003c\/strong\u003e\u003cbr data-start=\"3010\" data-end=\"3013\"\u003eA: The kit includes one \u003cstrong data-start=\"3037\" data-end=\"3049\"\u003eprop nut\u003c\/strong\u003e, one \u003cstrong data-start=\"3055\" data-end=\"3073\"\u003ealuminum anode\u003c\/strong\u003e, and one \u003cstrong data-start=\"3083\" data-end=\"3095\"\u003efastener\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3100\" data-end=\"3220\"\u003e\u003cstrong data-start=\"3100\" data-end=\"3144\"\u003eQ3: Can this anode be used in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3144\" data-end=\"3147\"\u003eA: Yes. It performs well in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003cp data-start=\"3222\" data-end=\"3397\"\u003e\u003cstrong data-start=\"3222\" data-end=\"3278\"\u003eQ4: How often should I inspect or replace the anode?\u003c\/strong\u003e\u003cbr data-start=\"3278\" data-end=\"3281\"\u003eA: Check it regularly — at least every few months — and replace it once more than half of the material has eroded.\u003c\/p\u003e\n\u003cp data-start=\"3399\" data-end=\"3609\"\u003e\u003cstrong data-start=\"3399\" data-end=\"3456\"\u003eQ5: Why choose aluminum instead of zinc or magnesium?\u003c\/strong\u003e\u003cbr data-start=\"3456\" data-end=\"3459\"\u003eA: Aluminum lasts longer than zinc and works across a wider range of water types. Magnesium is for freshwater only, while aluminum performs in both.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933624815907,"sku":"97-809666A03","price":170.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/809666A03_Main.jpg?v=1760631192","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-propeller-nut-anode-kit-magnesium-fits-bravo-iii-drives-97-809666a03","provider":"PartsVu","version":"1.0","type":"link"}