Castrol MAGNATEC FUEL SAVER 5W-30 semi synthetic engine oil lets you drive up to 380km p.a further!*. It has been specially engineered to reduce your car’s fuel consumption, so you save on fuel, whilst getting outstanding protection from Castrol MAGNATEC’s Intelligent Molecules.

Further, up to 75% of engine wear happens while your engine warms up. When the engine stops, oil drains off critical engine parts, however Castrol MAGNATEC's Intelligent Molecules don't. They cling to the engine like a magnet, providing an extra layer of protection. 

*Based on CEC L-054-96-Fuel Economy Test


Castrol MAGNATEC FUEL SAVER 5W-30 is a part synthetic engine oil formulated to suit a wide range of petrol engines used in passenger car and light commercial vehicles.


Castrol MAGNATEC's Intelligent Molecules:

  • Cling to critical engine parts when the oil drains down.
  • Cling to your engine forming an extra layer that protects during start-up and beyond.
  • Bond to metal surfaces to make engine parts more resistant to wear.
  • Are combined with synthetic technology to provide increased protection in high and low temperature applications.
  • Provide continuous protection for all driving conditions, styles and temperatures.


Recommended where the following current and superseded classifications and performance fuels are cited:

  • API SN
  • ILSAC GF-5

Product Data Sheet

Safety Data Sheet