Shell Argina S

Optimised to resist oxidation and maintain BN to reduce the amount of oil sweetening that is required
Very effective level of detergency leading to exceptionally clean crankcase, valve deck and pistons
The formulation has been further optimised to reduce deposits in critical areas, e.g., piston undercrown
Well-balanced high-detergency/low-dispersancy formulation to effectively release contaminants and water in centrifugal separators
The oils have a comprehensive range of engine manufacturers’ approvals.