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

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.