Castrol MAGNATEC 10W-40 is a semi synthetic engine oil which protects and cleanses your engine with Castrol Magnatec intelligent molecules designed to cling to your 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.
*As tested in the industry Sequence IVA wear test.

Unlike your run-of-the-mill lubricants which run off the engine block once the vehicle is switched off, Castrol Magnatec remains firmly attached like a magnet so even during non-use periods and during cold starts your car remains fully protected.

Castrol Magnatec 10W-40 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 10W-40 lubricant.