6G5-45251-01 18-6090 Zinc Transom Bracket Anode for Yamaha 115 300HP Outboards

Zinc Transom Bracket Anode for Yamaha

This zinc transom bracket anode is a sacrificial component designed to protect Yamaha outboard motors from galvanic corrosion, compatible with 115-300HP models and cross-referencing OEM part numbers 6G5-45251-01 and 18-6090.

Overview

This zinc transom bracket anode offers reliable corrosion protection for Yamaha outboards in the 115 to 300 horsepower range. Manufactured from high-grade zinc, it slowly deteriorates to shield critical metal parts from electrolysis in freshwater and saltwater environments, extending the life of your motor.

Built For Performance

• Precision cast from high-purity zinc for optimal sacrificial performance
• Direct replacement for OEM part numbers 6G5-45251-01 and 18-6090
• Engineered to fit Yamaha transom bracket mounting points
• Resists cracking and breaking under vibration
• Helps prevent costly damage to outboard lower unit and brackets

Fits These Machines

• for Yamaha outboards 115-300HP

On-The-Job Use

• Used in saltwater boating to prevent galvanic corrosion
• Ideal for freshwater lakes and rivers to reduce electrolysis damage
• Commonly replaced during annual outboard maintenance
• Works on both two-stroke and four-stroke Yamaha outboards

Specs At A Glance

Good To Know

Q: How often should I replace the transom anode? A: Check every season and replace when more than 50% of the material has corroded away, typically once a year for boats kept in saltwater.

Q: Will this fit my specific Yamaha outboard? A: It is designed for Yamaha 115-300HP models with the corresponding transom bracket; verify your existing part number matches 6G5-45251-01 or 18-6090.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.