Advanced anti-oxidant additives: Prevents oil oxidation for longer service life
Anti-wear formulation: Reduces wear on gears and drivetrain components
Extreme pressure protection: Safeguards against high-pressure damage in classic transmissions
Heritage compatibility: Ideal replacement for Castrol Hypoy where specified
Optimized for vintage metals: Engineered to protect sensitive metals in older gearbox systems
Summarized by Shop
Castrol Classic EP90 Gear Oil API: GL-4
Classic EP90 is a mineral based gear oil containing anti oxidant, anti-wear and extreme pressure additives to protect against problems due to oil oxidation, gear corrosion and wear. This gear oil is recommended for: conventional spiral bevel final drives and mild hypoid axles as well as spur a