CASTROL ASSURON

Castrol^® Assuron™ is a line of heavy-duty, monograde diesel engine oils

Castrol Assuron (SAE 10W, 30, 40, and 50) is a line of heavy-duty, monograde diesel engine oils that couple select base stocks with a carefully balanced additive package.

• Castrol Assuron has proven performance in various on- and off-highway heavy-duty diesel engines, particularly in applications requiring API CF-2
• Castrol Assuron is extremely resistant to the formation of high-temperature deposits; its dispersant package also works to keep the cooler areas of the engine from sludge and other harmful deposits
• Enhances engine performance
• Protects engine parts for extended life
• Reduces maintenance costs