Shell Engine Flush


Readily removes engine sludge and debris in all internal combustion engines prior to new engine oil change.


  • Petroleum Naphtha 70%
  • Petroleum distillates 15%
  • Chlorinated alkanes 15%

How to use

Add 1 bottle for up to 5 litres of engine oil before oil change and then allow engine to idle for 10-15 minutes maximum whilst stationary. Turn engine off and drain the engine whilst still warm (avoid scalding). Refit sump plug after draining, change oil filter and then refill with the appropriate recommended engine oil for your vehicle.

How to use Shell Engine Flush


Hazardous Chemical. Keep out of reach of children. May be fatal if swallowed and enters airways. May cause harm to breast fed children. Toxic to aquatic life with long lasting effects.
If swallowed DO NOT induce vomiting, immediately call a Poison Information Centre or a doctor/physician. In case of poisoning or an emergency call either your local poisons information centre or +61 2 9186 1132.