Sierra's™ full synthetic lower unit gear lube optimizes gear life by reducing friction while providing wear protection in severe operating conditions.

• Sierra™ full synthetic gear lube
• Engineered to protect gears, bearings, and internal gearcase components of outboards and stern drives under high load operating conditions
• Formulated for use in freshwater or saltwater marine applications
• Unique lubricant is shear stable and resists oxidation to ensure high performance over a wide range of ambient operating temperatures
• 1 quart bottle
• 75W-90 weight
• API GL-5 / MIL-L-210E
• Gold color
• Optional gear lube pump P/N 18-9781 – sold separately
• Replaces Volvo Penta 1141679
• Replaces Bel-Ray 99741-BT1