PETRONAS SILUB 140 LS2 50 is a premium cylinder oil for modern two-stroke crosshead low-speed marine diesel engines, including MAN-ES Cat II, running heavy fuel oil with 1,5%–≥3,5%m sulfur. Formulated with high-quality mineral base oils and advanced additives for anti-wear, detergency, oxidation stability, and corrosion protection. Delivers excellent cleanliness, thermal stability, and performance under high pressure. Meets or exceeds key OEM specifications.