Contains a mixture of agents with cleaning, dispersing and materialprotection properties as well as cetane number enhancing properties and has been formulated for today’s engines, fuels and running conditions. Added to the diesel fuel for all diesel engines in passenger and heavy goods vehicles, tractors, construction machinery and stationary engines. Ideally suitable for preserving engines when decommissioned for long period under extreme conditions Application: Add Diesel System Cleaner to the fuel tank of the vehicle before filling with fuel. Sufficient for up to 50 litres of diesel fuel.