NHOU Enviro / Marine Corrosion Guard is a rust inhibitor oil that forms a water-displacing, moisture-resistant, non-conductive barrier on non-painted and painted surfaces. Marine protective coatings prevent rust from forming on outdrives, lower units and power trim motors and components or other metal surfaces.
Spray on NHOU® Corrosion Guard forms a water-resistant barrier on non-painted and painted surfaces to protect from wear and tear.
12 oz spray can
Use to prevent rust from forming on outdrives, lower units and power trim motors and components or other metal surfaces.
It can also prevent further paint damage in undercutting and blistering areas.Do not spray on surfaces coated with antifouling or biocide paint.
Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and power sports industries.
To help boaters protect their investment and to ensure a positive boating experience.
NHOU® Marine Corrosion Guard Aerosol
Clear Rust Inhibitor for Outdrives, Lower Units & Marine Electrical
A rust-inhibiting oil in an aerosol that forms a clear, water-displacing, non-conductive barrier on painted and non-painted metal. Use it on outdrives, lower units, power trim motors, electrical components and engines in storage.
- Clear, doesn’t peel
- 2-pack or case of 12
Not available to California residents.








