Mercury SAE 85W-90 Gear Lube Racing, 1 Quart 8M0078015

Mercury SAE 85W-90 Gear Lube Racing, 1 Quart 8M0078015 is formulated for high-performance outboard and sterndrive racing applications. Engineered to provide maximum protection under extreme operating conditions, it helps reduce wear, prevent horsepower loss, and maintain gearcase reliability at high temperatures.

Recommended for:

• Mercury Racing outboard gearcases
• Mercury Racing sterndrive gearcases
• High-performance marine gearcases
• Powersports and motorsports gearcases requiring an 85W-90 gear lubricant

This advanced gear lube features tackifiers and extreme-pressure additives that improve oil film adhesion and protect gears from excessive wear under heavy loads. Advanced emulsifiers help protect internal components if water enters the gear housing, while its high-temperature stability resists breakdown during demanding operation.

For best results, replace gear lube every 100 hours of operation or annually during winterization, following the recommendations in your owner's manual.

Container Size:

• 1 Quart (32 oz.)

Product packaging may vary, but is guaranteed to be OEM Mercury Marine Gear Lube. 

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.