GEAR GARD EP 80W90 GL4 20L is a high-performance extreme pressure gear oil formulated for use in manual transmissions, differentials, and other gear systems. With a viscosity grade of 80W-90, it provides exceptional protection against wear, ensuring smooth and reliable operation under heavy loads and varying temperatures. Meeting GL-4 specifications, it offers excellent load-carrying capacity, anti-wear properties, and improved lubrication efficiency. Ideal for both light and heavy-duty vehicles, it comes in a 20-liter container for bulk use.