Eneos Sn 5W30 Eneos Sn/Cf 5W-30. SEMI-SYNTHETIC is high-performance motor oil made by high quality base oils with specialized high-performance additives. These are blended by ENEOS Corporation’s outstanding lubricant technologies. Stronger high temperature oxidation stability and engine wear prevention Keeping engine clean and preventing engine oil consumption Excellent compatibility with gasoline and diesel engine Especially good performance with Japanese vehicles (Toyota, Honda, Mitsubishi, Suzuki, Nissan, Mazda etc.)