Castrol Magnatec 5W-40 C3
Instant protection from the moment you turn the key.


Up to 75% of engine wear happens while your engine warms up. When the engine stops oils drain 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 ready to protect from the moment you turn the key. Castrol Magnatec’s molecules are always there, always ready, dramatically reducing** engine wear when the most damage happens; as your car warms up. Castrol Magnatec. Instant protection from the moment you turn the key. **As tested against the industry Sequence IVA wear test


Castrol Magnatec 5W-40 C3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN/CF or earlier specification 5W-40 lubricant. Castrol Magnatec 5W-40 C3 is approved for use in a vehicles from a wide range of manufacturers, please refer to the specifications section and your vehicle handbook. Castrol Magnatec 5W-40 C3 has been specially formulated to deliver outstanding protection for the latest engines fitted with after treatment devices such as diesel particulate filters and 3 way catalysts Castrol Magnatec 5W-40 C3 is approved to *GM dexos2®: supersedes GM-LL-B-025 and GM-LL-A-025 License number (GB2D0115082).


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; Castrol Magnatec 5W-40 C3 delivers superior performance under extreme cold start up conditions

Castrol Magnatec 5w-40 C3

  • Product Performance Claims
    ACEA C3


    BMW Longlife-04

    Dexos 2* Meets

    Fiat 9.55535-S2

    MB-Approval 229.31

    Renault RN 0700 / RN 0710

    VW 502 00/ 505 00