Mastermax 10W40 API SN/CF is a semi-synthetic engine oil formulated to exceed industry standards for modern gasoline and diesel engines. It combines high-quality synthetic base oils with advanced additives, delivering superior wear protection and deposit control. This oil maintains excellent thermal and oxidative stability, preventing breakdown under high-temperature operations. Its strong detergent and dispersant properties actively prevent sludge and varnish formation, ensuring cleaner engines and longer life. Designed to provide stable viscosity across wide temperature ranges, it supports both cold starts and high-load conditions. Meeting API SN/CF standards, Mastermax 10W40 is a reliable choice for vehicles requiring high-performance lubrication, offering durability, fuel efficiency, and protection for modern as well as older engines.




10W40 API SN/CF is a high-performance semi-synthetic engine oil offering excellent cleanliness, wear protection, and stability for modern gasoline and diesel engines under varied driving and temperature conditions.
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