Shell Mysella S5 N 40 is a high performance quality oil blended for use in 4 stroke spark ignition engines which require a 'low ash' oil and use natural gas and fuel. Mysella S3 N satisfies the new generation of stationary gas engines designed to meet emerging legislation limiting emissions of NOx and those which employ the latest 'lean' or 'clean' burn technology.

• Extended oil life
• Engine protection