Mercury Anode 821629Q1

Mercury – Quicksilver 821629Q1 Aluminum Drive Shaft Housing Anode | MerCruiser Alpha One Gen II Sterndrive | 821629Q1 Overview Protect your drive before corrosion gets a chance to start. The Quicksilver 821629Q1 Aluminum Drive Shaft Housing Anode is designed specifically for MerCruiser Alpha One Gen II sterndrives , helping shield your drive and engine from the damage caused by galvanic corrosion. Cast from high-quality aluminum, this anode performs in both fresh and saltwater , wearing away gradually to protect the metal around it. It mounts securely to the bottom of your drive’s housing and comes with stainless steel hardware for easy installation. Simple, effective protection that saves you money in the long run. Key Features Purpose: Prevents galvanic corrosion on your Alpha One Gen II drive shaft housing . Fitment: For MerCruiser Alpha One Gen II sterndrives . Construction: High-quality aluminum alloy for superior performance in salt or freshwater. Specifications: Meets or exceeds MIL-A-24779(SH) military standards for long-lasting protection. Ease of Install: Includes stainless steel hardware and installs easily with common tools. Engine & Boat Compatibility MerCruiser Alpha One Gen II sterndrives Found on cruisers, sport boats, and fishing boats powered by MerCruiser engines Performance & Practical Benefits The 821629Q1 anode sacrifices itself to protect your sterndrive’s housing, bearings, and nearby metal components from galvanic corrosion. It’s designed for all water types — aluminum lasts longer than zinc and works equally well in salt or fresh water. Installation is quick: just unbolt the worn anode, replace it with the new one using the included stainless hardware, and you’re good to go. Regularly replacing your anodes prevents corrosion-related wear and keeps your sterndrive performing and looking like new. Why Buy OEM Mercury’s OEM anodes are engineered with the correct aluminum composition to deliver balanced, even corrosion protection. Aftermarket versions often use inferior metals that erode too quickly or unevenly, leaving key parts exposed. A genuine Quicksilver anode provides the precise fit and tested protection your MerCruiser was built to rely on — helping you avoid costly drive or engine damage. FAQ Q1: What drives fit the Quicksilver 821629Q1 anode? A: It fits MerCruiser Alpha One Gen II sterndrives . Q2: Is this anode good for saltwater? A: Yes. The aluminum alloy performs in both salt and freshwater, providing long-lasting protection. Q3: Does it come with mounting hardware? A: Yes, stainless steel hardware is included for easy installation. Q4: How often should I replace it? A: Inspect it several times a season and replace it once it’s about half worn. Q5: Why use OEM instead of aftermarket? A: OEM anodes have the right alloy balance and perfect fit, offering longer, more consistent protection than generic brands.

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