Mercury Anode 55989Q9

Mercury – Quicksilver Aluminum Anodes | Corrosion Protection Component | Transom Plate Nuts | 55989Q9 Overview Corrosion protection starts with the right anodes, and the Mercury Marine 55989Q9 Quicksilver Aluminum Anodes are designed to keep your MerCruiser’s transom assembly protected from galvanic corrosion. Made for MerCruiser MC-I, R, MR, Alpha, and Bravo drives (serial No. 0D469828 and below) , these cast aluminum anodes meet strict military standards for strength and durability. They’re easy to install, include all necessary hardware, and work effectively in both freshwater and saltwater. It’s affordable protection that helps your drive stay solid, season after season. Key Features Purpose: Protects the transom plate nuts and surrounding metal from galvanic corrosion. Material: Made from mil-spec aluminum alloy (MIL-A-24779(SH)) for reliable, long-lasting protection. Performance: Works in both saltwater and freshwater , offering a broader range of protection than zinc. Design: Each anode includes mounting hardware for quick, easy replacement. Durability: Engineered to corrode evenly, safeguarding nearby components and extending drive life. Maintenance: Simple to inspect and replace using standard tools. Engine & Boat Compatibility MerCruiser MC-I drives (serial No. 0D469828 and below) MerCruiser R drives (serial No. 0D469828 and below) MerCruiser MR drives (serial No. 0D469828 and below) MerCruiser Alpha drives (serial No. 0D469828 and below) MerCruiser Bravo drives (serial No. 0D469828 and below) Performance & Real-World Benefits The 55989Q9 anodes act as sacrificial protection for your MerCruiser’s transom components. They attract corrosion away from critical aluminum and stainless-steel parts, keeping your drive casing and hardware in better shape. The aluminum alloy performs efficiently in both salt and freshwater, offering a longer lifespan than zinc anodes. Replacing anodes regularly helps prevent costly corrosion repairs and keeps your boat’s performance steady. Each one installs quickly with the included hardware, making it easy to maintain full protection year-round. Why Choose Mercury OEM The Quicksilver 55989Q9 is a genuine Mercury Marine product , designed specifically for MerCruiser drives. Aftermarket anodes may look similar but often use inferior alloys that corrode unevenly or too quickly, leaving parts exposed. Mercury’s OEM anodes meet or exceed military specifications for corrosion resistance and are precision-cast for the correct fit. When you install Mercury anodes, you’re investing in proven protection that helps your sterndrive last longer and perform better. FAQ Q1: Which drives use these anodes? They’re for MerCruiser MC-I, R, MR, Alpha, and Bravo drives with serial numbers 0D469828 and below . Q2: What’s included? Each anode comes with attaching hardware for quick installation. Q3: How often should I replace them? Inspect them regularly and replace once they’re half-worn or heavily pitted . Q4: Can these be used in saltwater? Yes — aluminum anodes perform well in both salt and freshwater . Q5: Why OEM over aftermarket? Mercury’s OEM anodes use certified alloy blends that provide consistent, reliable corrosion protection .

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