Provides the proper corrosion protection and lubrication needs of marine gear cases not found in automotive-based oil.
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Water intrusion - advanced emulsifiers prevent foaming to protect gears if water enters the gear housing
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Wear - tackifiers and extreme pressure additives improve oil film adhesion and protect against excessive wear.
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Meets API GL4
Mercury recommends the gear lube to be changed at least once per year (prior to storage) or every 100 hours of operation. See your owners manual for specific recommendations.
Recommended for use in lower units on all outboards above 75 horsepower - except outboards with electric shift gear cases.
Meets or exceeds the needs of all marine engine manufactures' gear lube. Using this product will not void manufactures' warranties.