Castrol MAGNATEC Stop-Start 0W-30 D is suitable for use in Ford vehicles that require a 0W-30 oil that meets Ford WSS-M2C950-A. Today even the normal driver can stop and start as many as 18,000 times a year. And all that idling in traffic or waiting at junctions causes microscopic wear in your engine. In the latest industry test, New Castrol MAGNATEC STOP-START 0W-30 D gives significantly less wear in STOP-START operation. New Castrol MAGNATEC STOP-START 0W-30 D has intelligent molecules that cling, and form a self-healing layer so its always ready to protect at each of the critical stages of stop-start driving.