By providing excellent valve seat protection and Shell Mysella can thereby help to extend cylinder-head overhaul intervals. It also offers good combustion-chamber deposit control, as it produces low levels of ash of a favourable composition. It helps to keep ring grooves clean, which contributes to longer component life, and can be used in installations equipped with an exhaust gas catalyst.
Shell Mysella S3 N is designed to have good oil life characteristics in high-speed four-stroke engines. In medium-speed four-stroke engines, its oil-drain interval can exceed 10,000 running hours.
Designed for excellent deposit control, Shell Mysella helps to prevent knocking and can unlock high levels of engine efficiency and availability.