CASTROL Magnatec 5W-40 A3/B4

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 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.

Castrol Magnatec’s unique formulation protects from the moment you turn the key, dramatically reducing* engine wear.
Now with ultra-refined molecules, for protection you can see, hear and feel.
Castrol Magnatec. Instant protection from the moment you turn the key.
*As tested in the industry Sequence IVA wear test.


Castrol Magnatec 5W-40 A3/B4 is suitable for use in automotive petrol and diesel engines where the manufacturer recommends an ACEA A3/B4, A3/B3, API SN/CF or earlier specification 5W-40 lubricant.
Castrol Magnatec 5W-40 A3/B4 is approved for use in vehicles from leading manufacturers, please refer to the specifications section and your vehicle handbook.


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.
– It is a fully synthetic product to provide increased protection in high and low temperature

Performans /Meet Requirements: ACEA A3/B3, A3/B4, API SN/CF, MB-Approval 226.5/ 229.3, Renault RN0700 / RN0710, VW 502 00/ 505 00

Package: 1L-4L-5L