Castrol MAGNATEC 5W-40 is suitable for use in automotive petrol and diesel engines where the manufacturer recommends an API SN/CF, ACEA A3/B4, or earlier specification 5W-40 lubricant.

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 Delivers superior performance under extreme cold start up conditions relative to thicker grades.