Castrol Tection Global 15W-40 is mineral based multigrade engine oil meeting API CI-4 specification. Its versatile formulation protects against wear and deposits, reducing maintenance costs and preventing unscheduled downtime. Widely used in turbo-charged and naturally aspirated diesel engines of European (Euro 4 and Euro 3), US and Japanese technology vehicles, Castrol Tection Global 15W-40 is approved by OEMs for use at extended drain intervals.