Perfect Lubricants Gear Oil GL-4 & GL-5 delivers superior protection, high load-carrying capacity, and extended gear life for manual transmissions, differentials, and final drives. Formulated with premium mineral base oils and extreme pressure additives, it provides smooth gear shifting, prevents wear, and resists oxidation and foaming in heavy-duty applications.

Key Benefits:

• Superior Wear & Rust Protection – Prevents metal-to-metal contact, reducing gear wear and corrosion.
• Extended Gear & Oil Life – Offers longer drain intervals and enhanced gear durability.
• High Load-Carrying Capacity – Handles heavy loads and extreme pressures in commercial fleets.
• Oxidation & Thermal Stability – Prevents oil thickening, sludge formation, and breakdown.
• Cold Weather Performance – Maintains fluidity at low temperatures, ensuring smooth gear shifts.
• Seal Compatibility – Protects oil seals, preventing leaks and contamination.

Perfect Lubricants Gear Oil GL-4 & GL-5 is ideal for vehicles, trucks, and construction equipment, ensuring smooth manual transmission performance and maximum drivetrain efficiency.