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Sierra 18-6162M Magnesium Anode Kit for Yamaha 60-90 HP Outboards

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-6162M
08/06/2036 1:37 PM
Sale Price

$32.77

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Product Details

The Sierra 18-6162M is a magnesium sacrificial anode kit designed as a direct replacement for Yamaha outboard engines. Magnesium anodes are the preferred choice for freshwater use, offering superior galvanic corrosion protection compared to zinc or aluminum alternatives in low-conductivity water environments.

Manufactured by Sierra International, this kit meets or exceeds OEM specifications, ensuring a proper fit and reliable corrosion protection season after season. Each component is engineered from high-purity magnesium alloy to maximize sacrificial performance and protect your engine's lower unit from electrolytic damage.

Kit Includes:

  • Bar anode (replaces Yamaha 6H1-45251-02M)
  • Skeg anode (replaces Yamaha 688-45371-02M)
  • Mounting hardware

Key Features:

  • Magnesium construction — Ideal for freshwater and low-salinity environments
  • OEM-quality replacement — Meets or exceeds original Yamaha specifications
  • Complete kit — Includes all anodes and hardware needed for a full service
  • Sacrificial corrosion protection — Shields lower unit, gear case, and metal components from galvanic corrosion
  • UPC: 808282370329

Replacing anodes at each seasonal service is a critical part of outboard maintenance. The Sierra 18-6162M makes it easy to keep your Yamaha engine protected with a trusted, OEM-compatible kit.

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Simple and easy, great pricing

Had to restart the process several times to get the order placed

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Quick turn around on my order. Best price around and reasonable shipping and handling. Done deal.

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