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Corrosion Protection

Stop corrosion of your Mercury outboard or sterndrive before it starts
MerCruiser 4.5L / 6.2L Sterndrive Freshwater Flush

This step-by-step how-to-video will walk you through the process of flushing your MerCruiser 4.5L or 6.2L sterndrive engine. By flushing the internal water passages of your engine with fresh water after each use in salt, polluted, or muddy water, you will help prevent a buildup of deposits from clogging the internal water passages. For additional information, please consult your Mercury owner's manual.

Flushing your Mercury Outboard engine

Flushing your outboard engine of saltwater or muddy water is critical to the longevity of your product. Watch this video, by Barry Stokes - host of Fox Sports Outdoors, as he provides step-by-step instructions to properly flush your Mercury FourStroke engine. For more information, please consult your Mercury Marine owner's manual.

MerCruiser 4.5L / 6.2L Sterndrive - MerCathode System

Learn from our Mercury Expert as he walks you through understanding the MerCathode corrosion monitoring system on your Mercury MerCruiser 4.5L / 6.2L sterndrive engine. For more information regarding your MerCathode corrosion monitoring system on your MerCruiser sterndrive, please consult your Mercury owner's manual.

75 - 115hp FourStroke Freshwater Flush

This step by step how-to-video will walk you through the process of flushing your Mercury 75, 90 or 115 hp FourStroke outboard engine. By flushing the internal water passages of your engine with fresh water after each use in salt, polluted, or muddy water, you will help prevent a buildup of deposits from clogging the internal water passages. For additional information, please consult your Mercury owner's manual.

150hp FourStroke Freshwater Flush

This step-by-step how-to-video will walk you through the process of flushing your Mercury 150hp FourStroke outboard. By flushing the internal water passages of your engine with fresh water after each use in salt, polluted, or muddy water, you will help prevent a buildup of deposits from clogging the internal water passages. For additional information, please consult your Mercury owner's manual.

6-Cylinder Verado Freshwater Flush

This step-by-step how-to-video will walk you through the process of flushing your 6-cylinder Mercury Verado engine. By flushing the internal water passages of your Verado engine with fresh water after each use in salt, polluted, or muddy water, you will help prevent a buildup of deposits from clogging the internal water passages. For additional information, please consult your Mercury Verado owner's manual.

View our Frequently Asked Questions related to preventing corrosion on your Mercury MerCruiser sterndrive or inboard.

MerCruiser Corrosion FAQs

Mercury has an extensive network of factory-trained dealers to help answer any questions you may have. Your authorized Mercury Marine dealer is your "go-to" for all things Mercury.

Find your local Mercury dealer
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