PETRONAS Urania 5000 F 5W-30 is a fully synthetic, fuel efficient, extended drain E4 engine oil suitable for heavy duty diesel applications including modern, high-output, low emission engines fitted with emission control systems. It is also suitable for older turbocharged and naturally aspirated diesel engines, both on-highway and off-highway. It helps in extending engine life and reduces the total cost of ownership. Approved by most important Trucks and Bus manufacturers.