GTX 15W-40
Castrol GTX Diesel 15W-40 is suitable for use in automotive diesel engines where the manufacturer recommends and API CI-4 or earlier specification 15W-40 lubricant. It may also be used in gasoline engines where the manufacturer recommends an API SL or earlier specification. Advanced protection against viscosity and thermal breakdown.
Vecton 15W-40 CK-4/E9
Castrol VECTON® 15W-40 CK-4/E9 is an advanced heavy duty diesel engine oil that is engineered with synthetic technology to deliver longer useful oil life.