Synthetic 75W-90 Marine Gear Oil – Lower Unit & Stern Drive Lubricant – Rust & Corrosion Protection – SAE 75W-90 for Marine Engines & Gear Systems – 2 Pack (1 Quart Each)

Keep your boat’s performance at its peak with Synthetic SAE 75W-90 Marine Gear Oil, engineered for lower units, gearboxes, and stern drives in demanding marine environments. Formulated with advanced synthetic additives, this marine-grade lubricant offers strong protection against rust, corrosion, and moisture intrusion, delivering confidence in both freshwater and saltwater conditions. Its high viscosity index ensures consistent lubrication under extreme pressure and high temperatures, helping extend gear life. By reducing friction, wear, and foaming, it supports smoother gear engagement and quieter operation, so you spend less time worrying about maintenance and more time enjoying the water. Available in 1, 2, 4, 6, and 12-quart pack sizes, making it convenient for single-engine applications or multi-boat servicing. A dependable choice for marine engines and gear systems requiring SAE 75W-90 synthetic gear oil.

• ⚓ Marine-Grade Protection – Specially engineered for marine engines and gear systems, providing strong resistance against saltwater corrosion, rust, and moisture damage.
• ⚙️ Heavy-Duty Performance – Maintains reliable film strength under high pressure, towing, and high-temperature conditions for dependable marine operation.
• 🛡️ Extended Gear Life – Helps reduce friction, foaming, and wear to support longer service intervals and fewer costly repairs.
• 🚤 Smooth & Quiet Operation – Designed to minimize gear chatter and vibration, ensuring reliable and comfortable boating experiences.
• 📦 Multiple Pack Sizes – Choose from 1, 2, 4, 6, or 12-quart options, ideal for single-engine maintenance or servicing multiple boats.